253373965

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{769}}^1$

素因数の和:961

約数の個数: 32

約数和(自身を含む): 339181920

約数和(自身を除く): 85807955

約数列:

[1, 5, 13, 37, 65, 137, 185, 481, 685, 769, 1781, 2405, 3845, 5069, 8905, 9997, 25345, 28453, 49985, 65897, 105353, 142265, 329485, 369889, 526765, 1369589, 1849445, 3898061, 6847945, 19490305, 50674793, 253373965]

約数ペア:

[(1, 253373965), (5, 50674793), (13, 19490305), (37, 6847945), (65, 3898061), (137, 1849445), (185, 1369589), (481, 526765), (685, 369889), (769, 329485), (1781, 142265), (2405, 105353), (3845, 65897), (5069, 49985), (8905, 28453), (9997, 25345)]