28061930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2957}}^1$

素因数の和:3050

約数の個数: 32

約数和(自身を含む): 55160784

約数和(自身を除く): 27098854

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 365, 730, 949, 1898, 2957, 4745, 5914, 9490, 14785, 29570, 38441, 76882, 192205, 215861, 384410, 431722, 1079305, 2158610, 2806193, 5612386, 14030965, 28061930]

約数ペア:

[(1, 28061930), (2, 14030965), (5, 5612386), (10, 2806193), (13, 2158610), (26, 1079305), (65, 431722), (73, 384410), (130, 215861), (146, 192205), (365, 76882), (730, 38441), (949, 29570), (1898, 14785), (2957, 9490), (4745, 5914)]