31978584

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:382

約数の個数: 128

約数和(自身を含む): 99475200

約数和(自身を除く): 67496616

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 43, 44, 54, 66, 72, 86, 88, 99, 108, 129, 132, 172, 198, 216, 258, 264, 297, 313, 344, 387, 396, 473, 516, 594, 626, 774, 792, 939, 946, 1032, 1161, 1188, 1252, 1419, 1548, 1878, 1892, 2322, 2376, 2504, 2817, 2838, 3096, 3443, 3756, 3784, 4257, 4644, 5634, 5676, 6886, 7512, 8451, 8514, 9288, 10329, 11268, 11352, 12771, 13459, 13772, 16902, 17028, 20658, 22536, 25542, 26918, 27544, 30987, 33804, 34056, 40377, 41316, 51084, 53836, 61974, 67608, 80754, 82632, 92961, 102168, 107672, 121131, 123948, 148049, 161508, 185922, 242262, 247896, 296098, 323016, 363393, 371844, 444147, 484524, 592196, 726786, 743688, 888294, 969048, 1184392, 1332441, 1453572, 1776588, 2664882, 2907144, 3553176, 3997323, 5329764, 7994646, 10659528, 15989292, 31978584]

約数ペア:

[(1, 31978584), (2, 15989292), (3, 10659528), (4, 7994646), (6, 5329764), (8, 3997323), (9, 3553176), (11, 2907144), (12, 2664882), (18, 1776588), (22, 1453572), (24, 1332441), (27, 1184392), (33, 969048), (36, 888294), (43, 743688), (44, 726786), (54, 592196), (66, 484524), (72, 444147), (86, 371844), (88, 363393), (99, 323016), (108, 296098), (129, 247896), (132, 242262), (172, 185922), (198, 161508), (216, 148049), (258, 123948), (264, 121131), (297, 107672), (313, 102168), (344, 92961), (387, 82632), (396, 80754), (473, 67608), (516, 61974), (594, 53836), (626, 51084), (774, 41316), (792, 40377), (939, 34056), (946, 33804), (1032, 30987), (1161, 27544), (1188, 26918), (1252, 25542), (1419, 22536), (1548, 20658), (1878, 17028), (1892, 16902), (2322, 13772), (2376, 13459), (2504, 12771), (2817, 11352), (2838, 11268), (3096, 10329), (3443, 9288), (3756, 8514), (3784, 8451), (4257, 7512), (4644, 6886), (5634, 5676)]