1980638

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{457}}^1$

素因数の和:667

約数の個数: 16

約数和(自身を含む): 3264624

約数和(自身を除く): 1283986

約数列:

[1, 2, 11, 22, 197, 394, 457, 914, 2167, 4334, 5027, 10054, 90029, 180058, 990319, 1980638]

約数ペア:

[(1, 1980638), (2, 990319), (11, 180058), (22, 90029), (197, 10054), (394, 5027), (457, 4334), (914, 2167)]