201857890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67511}}^1$

素因数の和:67554

約数の個数: 32

約数和(自身を含む): 408312576

約数和(自身を除く): 206454686

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 67511, 135022, 337555, 675110, 877643, 1552753, 1755286, 3105506, 4388215, 7763765, 8776430, 15527530, 20185789, 40371578, 100928945, 201857890]

約数ペア:

[(1, 201857890), (2, 100928945), (5, 40371578), (10, 20185789), (13, 15527530), (23, 8776430), (26, 7763765), (46, 4388215), (65, 3105506), (115, 1755286), (130, 1552753), (230, 877643), (299, 675110), (598, 337555), (1495, 135022), (2990, 67511)]