265858710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{681689}}^1$

素因数の和:681712

約数の個数: 32

約数和(自身を含む): 687143520

約数和(自身を除く): 421284810

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 681689, 1363378, 2045067, 3408445, 4090134, 6816890, 8861957, 10225335, 17723914, 20450670, 26585871, 44309785, 53171742, 88619570, 132929355, 265858710]

約数ペア:

[(1, 265858710), (2, 132929355), (3, 88619570), (5, 53171742), (6, 44309785), (10, 26585871), (13, 20450670), (15, 17723914), (26, 10225335), (30, 8861957), (39, 6816890), (65, 4090134), (78, 3408445), (130, 2045067), (195, 1363378), (390, 681689)]