688161684

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1987}}^1$

素因数の和:2058

約数の個数: 144

約数和(自身を含む): 2030622720

約数和(自身を除く): 1342461036

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 31, 38, 42, 49, 57, 62, 76, 84, 93, 98, 114, 124, 133, 147, 186, 196, 217, 228, 266, 294, 372, 399, 434, 532, 588, 589, 651, 798, 868, 931, 1178, 1302, 1519, 1596, 1767, 1862, 1987, 2356, 2604, 2793, 3038, 3534, 3724, 3974, 4123, 4557, 5586, 5961, 6076, 7068, 7948, 8246, 9114, 11172, 11922, 12369, 13909, 16492, 18228, 23844, 24738, 27818, 28861, 37753, 41727, 49476, 55636, 57722, 61597, 75506, 83454, 86583, 97363, 113259, 115444, 123194, 151012, 166908, 173166, 184791, 194726, 226518, 246388, 264271, 292089, 346332, 369582, 389452, 431179, 453036, 528542, 584178, 739164, 792813, 862358, 1057084, 1168356, 1170343, 1293537, 1585626, 1724716, 1849897, 2340686, 2587074, 3018253, 3171252, 3511029, 3699794, 4681372, 5174148, 5549691, 6036506, 7022058, 7399588, 8192401, 9054759, 11099382, 12073012, 14044116, 16384802, 18109518, 22198764, 24577203, 32769604, 36219036, 49154406, 57346807, 98308812, 114693614, 172040421, 229387228, 344080842, 688161684]

約数ペア:

[(1, 688161684), (2, 344080842), (3, 229387228), (4, 172040421), (6, 114693614), (7, 98308812), (12, 57346807), (14, 49154406), (19, 36219036), (21, 32769604), (28, 24577203), (31, 22198764), (38, 18109518), (42, 16384802), (49, 14044116), (57, 12073012), (62, 11099382), (76, 9054759), (84, 8192401), (93, 7399588), (98, 7022058), (114, 6036506), (124, 5549691), (133, 5174148), (147, 4681372), (186, 3699794), (196, 3511029), (217, 3171252), (228, 3018253), (266, 2587074), (294, 2340686), (372, 1849897), (399, 1724716), (434, 1585626), (532, 1293537), (588, 1170343), (589, 1168356), (651, 1057084), (798, 862358), (868, 792813), (931, 739164), (1178, 584178), (1302, 528542), (1519, 453036), (1596, 431179), (1767, 389452), (1862, 369582), (1987, 346332), (2356, 292089), (2604, 264271), (2793, 246388), (3038, 226518), (3534, 194726), (3724, 184791), (3974, 173166), (4123, 166908), (4557, 151012), (5586, 123194), (5961, 115444), (6076, 113259), (7068, 97363), (7948, 86583), (8246, 83454), (9114, 75506), (11172, 61597), (11922, 57722), (12369, 55636), (13909, 49476), (16492, 41727), (18228, 37753), (23844, 28861), (24738, 27818)]