12121615

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3613}}^1$

素因数の和:3690

約数の個数: 16

約数和(自身を含む): 16132896

約数和(自身を除く): 4011281

約数列:

[1, 5, 11, 55, 61, 305, 671, 3355, 3613, 18065, 39743, 198715, 220393, 1101965, 2424323, 12121615]

約数ペア:

[(1, 12121615), (5, 2424323), (11, 1101965), (55, 220393), (61, 198715), (305, 39743), (671, 18065), (3355, 3613)]