16645375

素因数分解:

$5^3\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:172

約数の個数: 32

約数和(自身を含む): 22052160

約数和(自身を除く): 5406785

約数列:

[1, 5, 25, 37, 59, 61, 125, 185, 295, 305, 925, 1475, 1525, 2183, 2257, 3599, 4625, 7375, 7625, 10915, 11285, 17995, 54575, 56425, 89975, 133163, 272875, 282125, 449875, 665815, 3329075, 16645375]

約数ペア:

[(1, 16645375), (5, 3329075), (25, 665815), (37, 449875), (59, 282125), (61, 272875), (125, 133163), (185, 89975), (295, 56425), (305, 54575), (925, 17995), (1475, 11285), (1525, 10915), (2183, 7625), (2257, 7375), (3599, 4625)]