391262202470

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{2441}}^1\times {\mathrm{3947}}^1$

素因数の和:6557

約数の個数: 64

約数和(自身を含む): 733025728512

約数和(自身を除く): 341763526042

約数列:

[1, 2, 5, 10, 31, 62, 131, 155, 262, 310, 655, 1310, 2441, 3947, 4061, 4882, 7894, 8122, 12205, 19735, 20305, 24410, 39470, 40610, 75671, 122357, 151342, 244714, 319771, 378355, 517057, 611785, 639542, 756710, 1034114, 1223570, 1598855, 2585285, 3197710, 5170570, 9634627, 9912901, 16028767, 19269254, 19825802, 32057534, 48173135, 49564505, 80143835, 96346270, 99129010, 160287670, 298673437, 597346874, 1262136137, 1493367185, 2524272274, 2986734370, 6310680685, 12621361370, 39126220247, 78252440494, 195631101235, 391262202470]

約数ペア:

[(1, 391262202470), (2, 195631101235), (5, 78252440494), (10, 39126220247), (31, 12621361370), (62, 6310680685), (131, 2986734370), (155, 2524272274), (262, 1493367185), (310, 1262136137), (655, 597346874), (1310, 298673437), (2441, 160287670), (3947, 99129010), (4061, 96346270), (4882, 80143835), (7894, 49564505), (8122, 48173135), (12205, 32057534), (19735, 19825802), (20305, 19269254), (24410, 16028767), (39470, 9912901), (40610, 9634627), (75671, 5170570), (122357, 3197710), (151342, 2585285), (244714, 1598855), (319771, 1223570), (378355, 1034114), (517057, 756710), (611785, 639542)]