638742972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1$

素因数の和:416

約数の個数: 192

約数和(自身を含む): 1907490816

約数和(自身を除く): 1268747844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 31, 34, 42, 47, 51, 62, 68, 84, 93, 94, 102, 119, 124, 141, 186, 188, 204, 217, 238, 282, 307, 329, 357, 372, 434, 476, 527, 564, 614, 651, 658, 714, 799, 868, 921, 987, 1054, 1228, 1302, 1316, 1428, 1457, 1581, 1598, 1842, 1974, 2108, 2149, 2397, 2604, 2914, 3162, 3196, 3684, 3689, 3948, 4298, 4371, 4794, 5219, 5593, 5828, 6324, 6447, 7378, 8596, 8742, 9517, 9588, 10199, 10438, 11067, 11186, 12894, 14429, 14756, 15657, 16779, 17484, 19034, 20398, 20876, 22134, 22372, 24769, 25788, 28551, 28858, 30597, 31314, 33558, 36533, 38068, 40796, 43287, 44268, 49538, 57102, 57716, 61194, 62628, 66619, 67116, 73066, 74307, 86574, 99076, 101003, 109599, 114204, 122388, 133238, 146132, 148614, 161789, 173148, 173383, 199857, 202006, 219198, 245293, 266476, 297228, 303009, 323578, 346766, 399714, 404012, 438396, 447299, 485367, 490586, 520149, 606018, 647156, 693532, 735879, 799428, 894598, 970734, 981172, 1040298, 1132523, 1212036, 1341897, 1471758, 1717051, 1789196, 1941468, 2080596, 2265046, 2683794, 2943516, 3131093, 3397569, 3434102, 4530092, 5151153, 5367588, 6262186, 6795138, 6868204, 7604083, 9393279, 10302306, 12524372, 13590276, 15208166, 18786558, 20604612, 22812249, 30416332, 37573116, 45624498, 53228581, 91248996, 106457162, 159685743, 212914324, 319371486, 638742972]

約数ペア:

[(1, 638742972), (2, 319371486), (3, 212914324), (4, 159685743), (6, 106457162), (7, 91248996), (12, 53228581), (14, 45624498), (17, 37573116), (21, 30416332), (28, 22812249), (31, 20604612), (34, 18786558), (42, 15208166), (47, 13590276), (51, 12524372), (62, 10302306), (68, 9393279), (84, 7604083), (93, 6868204), (94, 6795138), (102, 6262186), (119, 5367588), (124, 5151153), (141, 4530092), (186, 3434102), (188, 3397569), (204, 3131093), (217, 2943516), (238, 2683794), (282, 2265046), (307, 2080596), (329, 1941468), (357, 1789196), (372, 1717051), (434, 1471758), (476, 1341897), (527, 1212036), (564, 1132523), (614, 1040298), (651, 981172), (658, 970734), (714, 894598), (799, 799428), (868, 735879), (921, 693532), (987, 647156), (1054, 606018), (1228, 520149), (1302, 490586), (1316, 485367), (1428, 447299), (1457, 438396), (1581, 404012), (1598, 399714), (1842, 346766), (1974, 323578), (2108, 303009), (2149, 297228), (2397, 266476), (2604, 245293), (2914, 219198), (3162, 202006), (3196, 199857), (3684, 173383), (3689, 173148), (3948, 161789), (4298, 148614), (4371, 146132), (4794, 133238), (5219, 122388), (5593, 114204), (5828, 109599), (6324, 101003), (6447, 99076), (7378, 86574), (8596, 74307), (8742, 73066), (9517, 67116), (9588, 66619), (10199, 62628), (10438, 61194), (11067, 57716), (11186, 57102), (12894, 49538), (14429, 44268), (14756, 43287), (15657, 40796), (16779, 38068), (17484, 36533), (19034, 33558), (20398, 31314), (20876, 30597), (22134, 28858), (22372, 28551), (24769, 25788)]