31820656

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:242

約数の個数: 80

約数和(自身を含む): 74370240

約数和(自身を除く): 42549584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 97, 101, 112, 116, 194, 202, 203, 232, 388, 404, 406, 464, 679, 707, 776, 808, 812, 1358, 1414, 1552, 1616, 1624, 2716, 2813, 2828, 2929, 3248, 5432, 5626, 5656, 5858, 9797, 10864, 11252, 11312, 11716, 19594, 19691, 20503, 22504, 23432, 39188, 39382, 41006, 45008, 46864, 68579, 78376, 78764, 82012, 137158, 156752, 157528, 164024, 274316, 284113, 315056, 328048, 548632, 568226, 1097264, 1136452, 1988791, 2272904, 3977582, 4545808, 7955164, 15910328, 31820656]

約数ペア:

[(1, 31820656), (2, 15910328), (4, 7955164), (7, 4545808), (8, 3977582), (14, 2272904), (16, 1988791), (28, 1136452), (29, 1097264), (56, 568226), (58, 548632), (97, 328048), (101, 315056), (112, 284113), (116, 274316), (194, 164024), (202, 157528), (203, 156752), (232, 137158), (388, 82012), (404, 78764), (406, 78376), (464, 68579), (679, 46864), (707, 45008), (776, 41006), (808, 39382), (812, 39188), (1358, 23432), (1414, 22504), (1552, 20503), (1616, 19691), (1624, 19594), (2716, 11716), (2813, 11312), (2828, 11252), (2929, 10864), (3248, 9797), (5432, 5858), (5626, 5656)]