28937020105

素因数分解:

$5^1\times 7^1\times {\mathrm{1201}}^1\times {\mathrm{688403}}^1$

素因数の和:689616

約数の個数: 16

約数和(自身を含む): 39718157184

約数和(自身を除く): 10781137079

約数列:

[1, 5, 7, 35, 1201, 6005, 8407, 42035, 688403, 3442015, 4818821, 24094105, 826772003, 4133860015, 5787404021, 28937020105]

約数ペア:

[(1, 28937020105), (5, 5787404021), (7, 4133860015), (35, 826772003), (1201, 24094105), (6005, 4818821), (8407, 3442015), (42035, 688403)]