2109173872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{10140259}}^1$

素因数の和:10140280

約数の個数: 20

約数和(自身を含む): 4400872840

約数和(自身を除く): 2291698968

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 10140259, 20280518, 40561036, 81122072, 131823367, 162244144, 263646734, 527293468, 1054586936, 2109173872]

約数ペア:

[(1, 2109173872), (2, 1054586936), (4, 527293468), (8, 263646734), (13, 162244144), (16, 131823367), (26, 81122072), (52, 40561036), (104, 20280518), (208, 10140259)]