638559672

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:393

約数の個数: 128

約数和(自身を含む): 1723023360

約数和(自身を除く): 1084463688

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 47, 69, 92, 94, 138, 141, 151, 163, 184, 188, 276, 282, 302, 326, 376, 453, 489, 552, 564, 604, 652, 906, 978, 1081, 1128, 1208, 1304, 1812, 1956, 2162, 3243, 3473, 3624, 3749, 3912, 4324, 6486, 6946, 7097, 7498, 7661, 8648, 10419, 11247, 12972, 13892, 14194, 14996, 15322, 20838, 21291, 22494, 22983, 24613, 25944, 27784, 28388, 29992, 30644, 41676, 42582, 44988, 45966, 49226, 56776, 61288, 73839, 83352, 85164, 89976, 91932, 98452, 147678, 163231, 170328, 176203, 183864, 196904, 295356, 326462, 352406, 489693, 528609, 566099, 590712, 652924, 704812, 979386, 1057218, 1132198, 1156811, 1305848, 1409624, 1698297, 1958772, 2114436, 2264396, 2313622, 3396594, 3470433, 3917544, 4228872, 4528792, 4627244, 6793188, 6940866, 9254488, 13586376, 13881732, 26606653, 27763464, 53213306, 79819959, 106426612, 159639918, 212853224, 319279836, 638559672]

約数ペア:

[(1, 638559672), (2, 319279836), (3, 212853224), (4, 159639918), (6, 106426612), (8, 79819959), (12, 53213306), (23, 27763464), (24, 26606653), (46, 13881732), (47, 13586376), (69, 9254488), (92, 6940866), (94, 6793188), (138, 4627244), (141, 4528792), (151, 4228872), (163, 3917544), (184, 3470433), (188, 3396594), (276, 2313622), (282, 2264396), (302, 2114436), (326, 1958772), (376, 1698297), (453, 1409624), (489, 1305848), (552, 1156811), (564, 1132198), (604, 1057218), (652, 979386), (906, 704812), (978, 652924), (1081, 590712), (1128, 566099), (1208, 528609), (1304, 489693), (1812, 352406), (1956, 326462), (2162, 295356), (3243, 196904), (3473, 183864), (3624, 176203), (3749, 170328), (3912, 163231), (4324, 147678), (6486, 98452), (6946, 91932), (7097, 89976), (7498, 85164), (7661, 83352), (8648, 73839), (10419, 61288), (11247, 56776), (12972, 49226), (13892, 45966), (14194, 44988), (14996, 42582), (15322, 41676), (20838, 30644), (21291, 29992), (22494, 28388), (22983, 27784), (24613, 25944)]