491764130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{343891}}^1$

素因数の和:343922

約数の個数: 32

約数和(自身を含む): 1039929408

約数和(自身を除く): 548165278

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 343891, 687782, 1719455, 3438910, 3782801, 4470583, 7565602, 8941166, 18914005, 22352915, 37828010, 44705830, 49176413, 98352826, 245882065, 491764130]

約数ペア:

[(1, 491764130), (2, 245882065), (5, 98352826), (10, 49176413), (11, 44705830), (13, 37828010), (22, 22352915), (26, 18914005), (55, 8941166), (65, 7565602), (110, 4470583), (130, 3782801), (143, 3438910), (286, 1719455), (715, 687782), (1430, 343891)]