64472425

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{631}}^1$

素因数の和:769

約数の個数: 24

約数和(自身を含む): 82599872

約数和(自身を除く): 18127447

約数列:

[1, 5, 25, 61, 67, 305, 335, 631, 1525, 1675, 3155, 4087, 15775, 20435, 38491, 42277, 102175, 192455, 211385, 962275, 1056925, 2578897, 12894485, 64472425]

約数ペア:

[(1, 64472425), (5, 12894485), (25, 2578897), (61, 1056925), (67, 962275), (305, 211385), (335, 192455), (631, 102175), (1525, 42277), (1675, 38491), (3155, 20435), (4087, 15775)]