12921935

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3259}}^1$

素因数の和:3338

約数の個数: 16

約数和(自身を含む): 16978080

約数和(自身を除く): 4056145

約数列:

[1, 5, 13, 61, 65, 305, 793, 3259, 3965, 16295, 42367, 198799, 211835, 993995, 2584387, 12921935]

約数ペア:

[(1, 12921935), (5, 2584387), (13, 993995), (61, 211835), (65, 198799), (305, 42367), (793, 16295), (3259, 3965)]