989565005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{18959}}^1$

素因数の和:19061

約数の個数: 32

約数和(自身を含む): 1414264320

約数和(自身を除く): 424699315

約数列:

[1, 5, 11, 13, 55, 65, 73, 143, 365, 715, 803, 949, 4015, 4745, 10439, 18959, 52195, 94795, 208549, 246467, 1042745, 1232335, 1384007, 2711137, 6920035, 13555685, 15224077, 17992091, 76120385, 89960455, 197913001, 989565005]

約数ペア:

[(1, 989565005), (5, 197913001), (11, 89960455), (13, 76120385), (55, 17992091), (65, 15224077), (73, 13555685), (143, 6920035), (365, 2711137), (715, 1384007), (803, 1232335), (949, 1042745), (4015, 246467), (4745, 208549), (10439, 94795), (18959, 52195)]