81098170

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{1997}}^1$

素因数の和:2166

約数の個数: 32

約数和(自身を含む): 151911936

約数和(自身を除く): 70813766

約数列:

[1, 2, 5, 10, 31, 62, 131, 155, 262, 310, 655, 1310, 1997, 3994, 4061, 8122, 9985, 19970, 20305, 40610, 61907, 123814, 261607, 309535, 523214, 619070, 1308035, 2616070, 8109817, 16219634, 40549085, 81098170]

約数ペア:

[(1, 81098170), (2, 40549085), (5, 16219634), (10, 8109817), (31, 2616070), (62, 1308035), (131, 619070), (155, 523214), (262, 309535), (310, 261607), (655, 123814), (1310, 61907), (1997, 40610), (3994, 20305), (4061, 19970), (8122, 9985)]