128468665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 170755200

約数和(自身を除く): 42286535

約数列:

[1, 5, 13, 59, 65, 139, 241, 295, 695, 767, 1205, 1807, 3133, 3835, 8201, 9035, 14219, 15665, 33499, 41005, 71095, 106613, 167495, 184847, 435487, 533065, 924235, 1976441, 2177435, 9882205, 25693733, 128468665]

約数ペア:

[(1, 128468665), (5, 25693733), (13, 9882205), (59, 2177435), (65, 1976441), (139, 924235), (241, 533065), (295, 435487), (695, 184847), (767, 167495), (1205, 106613), (1807, 71095), (3133, 41005), (3835, 33499), (8201, 15665), (9035, 14219)]