81919432

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{691}}^1$

素因数の和:806

約数の個数: 64

約数和(自身を含む): 184348800

約数和(自身を除く): 102429368

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 73, 116, 146, 203, 232, 292, 406, 511, 584, 691, 812, 1022, 1382, 1624, 2044, 2117, 2764, 4088, 4234, 4837, 5528, 8468, 9674, 14819, 16936, 19348, 20039, 29638, 38696, 40078, 50443, 59276, 80156, 100886, 118552, 140273, 160312, 201772, 280546, 353101, 403544, 561092, 706202, 1122184, 1412404, 1462847, 2824808, 2925694, 5851388, 10239929, 11702776, 20479858, 40959716, 81919432]

約数ペア:

[(1, 81919432), (2, 40959716), (4, 20479858), (7, 11702776), (8, 10239929), (14, 5851388), (28, 2925694), (29, 2824808), (56, 1462847), (58, 1412404), (73, 1122184), (116, 706202), (146, 561092), (203, 403544), (232, 353101), (292, 280546), (406, 201772), (511, 160312), (584, 140273), (691, 118552), (812, 100886), (1022, 80156), (1382, 59276), (1624, 50443), (2044, 40078), (2117, 38696), (2764, 29638), (4088, 20039), (4234, 19348), (4837, 16936), (5528, 14819), (8468, 9674)]