7947875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:168

約数の個数: 32

約数和(自身を含む): 10989888

約数和(自身を除く): 3042013

約数列:

[1, 5, 13, 25, 65, 67, 73, 125, 325, 335, 365, 871, 949, 1625, 1675, 1825, 4355, 4745, 4891, 8375, 9125, 21775, 23725, 24455, 63583, 108875, 118625, 122275, 317915, 611375, 1589575, 7947875]

約数ペア:

[(1, 7947875), (5, 1589575), (13, 611375), (25, 317915), (65, 122275), (67, 118625), (73, 108875), (125, 63583), (325, 24455), (335, 23725), (365, 21775), (871, 9125), (949, 8375), (1625, 4891), (1675, 4745), (1825, 4355)]