64125875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{313}}^1$

素因数の和:488

約数の個数: 32

約数和(自身を含む): 88171200

約数和(自身を除く): 24045325

約数列:

[1, 5, 11, 25, 55, 125, 149, 275, 313, 745, 1375, 1565, 1639, 3443, 3725, 7825, 8195, 17215, 18625, 39125, 40975, 46637, 86075, 204875, 233185, 430375, 513007, 1165925, 2565035, 5829625, 12825175, 64125875]

約数ペア:

[(1, 64125875), (5, 12825175), (11, 5829625), (25, 2565035), (55, 1165925), (125, 513007), (149, 430375), (275, 233185), (313, 204875), (745, 86075), (1375, 46637), (1565, 40975), (1639, 39125), (3443, 18625), (3725, 17215), (7825, 8195)]