861205016

素因数分解:

$2^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{112253}}^1$

素因数の和:112403

約数の個数: 32

約数和(自身を含む): 1858926240

約数和(自身を除く): 997721224

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 137, 274, 548, 959, 1096, 1918, 3836, 7672, 112253, 224506, 449012, 785771, 898024, 1571542, 3143084, 6286168, 15378661, 30757322, 61514644, 107650627, 123029288, 215301254, 430602508, 861205016]

約数ペア:

[(1, 861205016), (2, 430602508), (4, 215301254), (7, 123029288), (8, 107650627), (14, 61514644), (28, 30757322), (56, 15378661), (137, 6286168), (274, 3143084), (548, 1571542), (959, 898024), (1096, 785771), (1918, 449012), (3836, 224506), (7672, 112253)]