66997375

素因数分解:

$5^3\times {\mathrm{71}}^1\times {\mathrm{7549}}^1$

素因数の和:7635

約数の個数: 16

約数和(自身を含む): 84801600

約数和(自身を除く): 17804225

約数列:

[1, 5, 25, 71, 125, 355, 1775, 7549, 8875, 37745, 188725, 535979, 943625, 2679895, 13399475, 66997375]

約数ペア:

[(1, 66997375), (5, 13399475), (25, 2679895), (71, 943625), (125, 535979), (355, 188725), (1775, 37745), (7549, 8875)]