321218884

素因数分解:

$2^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{70381}}^1$

素因数の和:70555

約数の個数: 24

約数和(自身を含む): 646388288

約数和(自身を除く): 325169404

約数列:

[1, 2, 4, 7, 14, 28, 163, 326, 652, 1141, 2282, 4564, 70381, 140762, 281524, 492667, 985334, 1970668, 11472103, 22944206, 45888412, 80304721, 160609442, 321218884]

約数ペア:

[(1, 321218884), (2, 160609442), (4, 80304721), (7, 45888412), (14, 22944206), (28, 11472103), (163, 1970668), (326, 985334), (652, 492667), (1141, 281524), (2282, 140762), (4564, 70381)]