389968198

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1\times {\mathrm{461}}^1$

素因数の和:792

約数の個数: 32

約数和(自身を含む): 625695840

約数和(自身を除く): 235727642

約数列:

[1, 2, 19, 38, 113, 197, 226, 394, 461, 922, 2147, 3743, 4294, 7486, 8759, 17518, 22261, 44522, 52093, 90817, 104186, 181634, 422959, 845918, 989767, 1725523, 1979534, 3451046, 10262321, 20524642, 194984099, 389968198]

約数ペア:

[(1, 389968198), (2, 194984099), (19, 20524642), (38, 10262321), (113, 3451046), (197, 1979534), (226, 1725523), (394, 989767), (461, 845918), (922, 422959), (2147, 181634), (3743, 104186), (4294, 90817), (7486, 52093), (8759, 44522), (17518, 22261)]