51704575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6917}}^1$

素因数の和:6963

約数の個数: 24

約数和(自身を含む): 72057888

約数和(自身を除く): 20353313

約数列:

[1, 5, 13, 23, 25, 65, 115, 299, 325, 575, 1495, 6917, 7475, 34585, 89921, 159091, 172925, 449605, 795455, 2068183, 2248025, 3977275, 10340915, 51704575]

約数ペア:

[(1, 51704575), (5, 10340915), (13, 3977275), (23, 2248025), (25, 2068183), (65, 795455), (115, 449605), (299, 172925), (325, 159091), (575, 89921), (1495, 34585), (6917, 7475)]