12979813

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1669}}^1$

素因数の和:1788

約数の個数: 16

約数和(自身を含む): 16352640

約数和(自身を除く): 3372827

約数列:

[1, 7, 11, 77, 101, 707, 1111, 1669, 7777, 11683, 18359, 128513, 168569, 1179983, 1854259, 12979813]

約数ペア:

[(1, 12979813), (7, 1854259), (11, 1179983), (77, 168569), (101, 128513), (707, 18359), (1111, 11683), (1669, 7777)]