261569281766

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{813221}}^1$

素因数の和:813464

約数の個数: 32

約数和(自身を含む): 430357082400

約数和(自身を除く): 168787800634

約数列:

[1, 2, 13, 26, 89, 139, 178, 278, 1157, 1807, 2314, 3614, 12371, 24742, 160823, 321646, 813221, 1626442, 10571873, 21143746, 72376669, 113037719, 144753338, 226075438, 940896697, 1469490347, 1881793394, 2938980694, 10060356991, 20120713982, 130784640883, 261569281766]

約数ペア:

[(1, 261569281766), (2, 130784640883), (13, 20120713982), (26, 10060356991), (89, 2938980694), (139, 1881793394), (178, 1469490347), (278, 940896697), (1157, 226075438), (1807, 144753338), (2314, 113037719), (3614, 72376669), (12371, 21143746), (24742, 10571873), (160823, 1626442), (321646, 813221)]