1225644025

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{811}}^1\times {\mathrm{991}}^1$

素因数の和:1873

約数の個数: 24

約数和(自身を含む): 1548178688

約数和(自身を除く): 322534663

約数列:

[1, 5, 25, 61, 305, 811, 991, 1525, 4055, 4955, 20275, 24775, 49471, 60451, 247355, 302255, 803701, 1236775, 1511275, 4018505, 20092525, 49025761, 245128805, 1225644025]

約数ペア:

[(1, 1225644025), (5, 245128805), (25, 49025761), (61, 20092525), (305, 4018505), (811, 1511275), (991, 1236775), (1525, 803701), (4055, 302255), (4955, 247355), (20275, 60451), (24775, 49471)]