2154440821

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{2003}}^1$

素因数の和:2221

約数の個数: 32

約数和(自身を含む): 2553320448

約数和(自身を除く): 398879627

約数列:

[1, 13, 17, 31, 157, 221, 403, 527, 2003, 2041, 2669, 4867, 6851, 26039, 34051, 34697, 62093, 63271, 82739, 314471, 442663, 807209, 1055581, 1075607, 4088123, 5346007, 9748601, 13722553, 69498091, 126731813, 165726217, 2154440821]

約数ペア:

[(1, 2154440821), (13, 165726217), (17, 126731813), (31, 69498091), (157, 13722553), (221, 9748601), (403, 5346007), (527, 4088123), (2003, 1075607), (2041, 1055581), (2669, 807209), (4867, 442663), (6851, 314471), (26039, 82739), (34051, 63271), (34697, 62093)]