1217986

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{719}}^1$

素因数の和:750

約数の個数: 24

約数和(自身を含む): 2298240

約数和(自身を除く): 1080254

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 719, 847, 1438, 1694, 5033, 7909, 10066, 15818, 55363, 86999, 110726, 173998, 608993, 1217986]

約数ペア:

[(1, 1217986), (2, 608993), (7, 173998), (11, 110726), (14, 86999), (22, 55363), (77, 15818), (121, 10066), (154, 7909), (242, 5033), (719, 1694), (847, 1438)]