221515060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{65537}}^1$

素因数の和:65572

約数の個数: 36

約数和(自身を含む): 503725068

約数和(自身を除く): 282210008

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 65537, 131074, 262148, 327685, 655370, 851981, 1310740, 1703962, 3407924, 4259905, 8519810, 11075753, 17039620, 22151506, 44303012, 55378765, 110757530, 221515060]

約数ペア:

[(1, 221515060), (2, 110757530), (4, 55378765), (5, 44303012), (10, 22151506), (13, 17039620), (20, 11075753), (26, 8519810), (52, 4259905), (65, 3407924), (130, 1703962), (169, 1310740), (260, 851981), (338, 655370), (676, 327685), (845, 262148), (1690, 131074), (3380, 65537)]