686021921

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{227}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 782116608

約数和(自身を除く): 96094687

約数列:

[1, 13, 37, 61, 103, 227, 481, 793, 1339, 2257, 2951, 3811, 6283, 8399, 13847, 23381, 29341, 49543, 81679, 109187, 180011, 232471, 303953, 512339, 865097, 1426241, 3022123, 6660407, 11246261, 18541133, 52770917, 686021921]

約数ペア:

[(1, 686021921), (13, 52770917), (37, 18541133), (61, 11246261), (103, 6660407), (227, 3022123), (481, 1426241), (793, 865097), (1339, 512339), (2257, 303953), (2951, 232471), (3811, 180011), (6283, 109187), (8399, 81679), (13847, 49543), (23381, 29341)]