155877865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{701}}^1$

素因数の和:1041

約数の個数: 32

約数和(自身を含む): 220776192

約数和(自身を除く): 64898327

約数列:

[1, 5, 11, 13, 55, 65, 143, 311, 701, 715, 1555, 3421, 3505, 4043, 7711, 9113, 17105, 20215, 38555, 44473, 45565, 100243, 218011, 222365, 501215, 1090055, 2398121, 2834143, 11990605, 14170715, 31175573, 155877865]

約数ペア:

[(1, 155877865), (5, 31175573), (11, 14170715), (13, 11990605), (55, 2834143), (65, 2398121), (143, 1090055), (311, 501215), (701, 222365), (715, 218011), (1555, 100243), (3421, 45565), (3505, 44473), (4043, 38555), (7711, 20215), (9113, 17105)]