287212010

素因数分解:

$2^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{86771}}^1$

素因数の和:87109

約数の個数: 16

約数和(自身を含む): 518549472

約数和(自身を除く): 231337462

約数列:

[1, 2, 5, 10, 331, 662, 1655, 3310, 86771, 173542, 433855, 867710, 28721201, 57442402, 143606005, 287212010]

約数ペア:

[(1, 287212010), (2, 143606005), (5, 57442402), (10, 28721201), (331, 867710), (662, 433855), (1655, 173542), (3310, 86771)]