642100055

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{1427}}^1\times {\mathrm{2903}}^1$

素因数の和:4366

約数の個数: 16

約数和(自身を含む): 796207104

約数和(自身を除く): 154107049

約数列:

[1, 5, 31, 155, 1427, 2903, 7135, 14515, 44237, 89993, 221185, 449965, 4142581, 20712905, 128420011, 642100055]

約数ペア:

[(1, 642100055), (5, 128420011), (31, 20712905), (155, 4142581), (1427, 449965), (2903, 221185), (7135, 89993), (14515, 44237)]