81331908

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{968237}}^1$

素因数の和:968251

約数の個数: 24

約数和(自身を含む): 216885312

約数和(自身を除く): 135553404

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 968237, 1936474, 2904711, 3872948, 5809422, 6777659, 11618844, 13555318, 20332977, 27110636, 40665954, 81331908]

約数ペア:

[(1, 81331908), (2, 40665954), (3, 27110636), (4, 20332977), (6, 13555318), (7, 11618844), (12, 6777659), (14, 5809422), (21, 3872948), (28, 2904711), (42, 1936474), (84, 968237)]