211701620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{814237}}^1$

素因数の和:814259

約数の個数: 24

約数和(自身を含む): 478771944

約数和(自身を除く): 267070324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 814237, 1628474, 3256948, 4071185, 8142370, 10585081, 16284740, 21170162, 42340324, 52925405, 105850810, 211701620]

約数ペア:

[(1, 211701620), (2, 105850810), (4, 52925405), (5, 42340324), (10, 21170162), (13, 16284740), (20, 10585081), (26, 8142370), (52, 4071185), (65, 3256948), (130, 1628474), (260, 814237)]