51389065

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2131}}^1$

素因数の和:2209

約数の個数: 32

約数和(自身を含む): 77366016

約数和(自身を除く): 25976951

約数列:

[1, 5, 7, 13, 35, 53, 65, 91, 265, 371, 455, 689, 1855, 2131, 3445, 4823, 10655, 14917, 24115, 27703, 74585, 112943, 138515, 193921, 564715, 790601, 969605, 1468259, 3953005, 7341295, 10277813, 51389065]

約数ペア:

[(1, 51389065), (5, 10277813), (7, 7341295), (13, 3953005), (35, 1468259), (53, 969605), (65, 790601), (91, 564715), (265, 193921), (371, 138515), (455, 112943), (689, 74585), (1855, 27703), (2131, 24115), (3445, 14917), (4823, 10655)]