864875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:80

約数の個数: 32

約数和(自身を含む): 1280448

約数和(自身を除く): 415573

約数列:

[1, 5, 11, 17, 25, 37, 55, 85, 125, 185, 187, 275, 407, 425, 629, 925, 935, 1375, 2035, 2125, 3145, 4625, 4675, 6919, 10175, 15725, 23375, 34595, 50875, 78625, 172975, 864875]

約数ペア:

[(1, 864875), (5, 172975), (11, 78625), (17, 50875), (25, 34595), (37, 23375), (55, 15725), (85, 10175), (125, 6919), (185, 4675), (187, 4625), (275, 3145), (407, 2125), (425, 2035), (629, 1375), (925, 935)]