281624330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{5569}}^1$

素因数の和:5978

約数の個数: 32

約数和(自身を含む): 547419600

約数和(自身を除く): 265795270

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 389, 778, 1945, 3890, 5057, 5569, 10114, 11138, 25285, 27845, 50570, 55690, 72397, 144794, 361985, 723970, 2166341, 4332682, 10831705, 21663410, 28162433, 56324866, 140812165, 281624330]

約数ペア:

[(1, 281624330), (2, 140812165), (5, 56324866), (10, 28162433), (13, 21663410), (26, 10831705), (65, 4332682), (130, 2166341), (389, 723970), (778, 361985), (1945, 144794), (3890, 72397), (5057, 55690), (5569, 50570), (10114, 27845), (11138, 25285)]