64431125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{997}}^1$

素因数の和:1070

約数の個数: 32

約数和(自身を含む): 89676288

約数和(自身を除く): 25245163

約数列:

[1, 5, 11, 25, 47, 55, 125, 235, 275, 517, 997, 1175, 1375, 2585, 4985, 5875, 10967, 12925, 24925, 46859, 54835, 64625, 124625, 234295, 274175, 515449, 1171475, 1370875, 2577245, 5857375, 12886225, 64431125]

約数ペア:

[(1, 64431125), (5, 12886225), (11, 5857375), (25, 2577245), (47, 1370875), (55, 1171475), (125, 515449), (235, 274175), (275, 234295), (517, 124625), (997, 64625), (1175, 54835), (1375, 46859), (2585, 24925), (4985, 12925), (5875, 10967)]