388637718

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{1321897}}^1$

素因数の和:1321916

約数の個数: 24

約数和(自身を含む): 904178232

約数和(自身を除く): 515540514

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 1321897, 2643794, 3965691, 7931382, 9253279, 18506558, 27759837, 55519674, 64772953, 129545906, 194318859, 388637718]

約数ペア:

[(1, 388637718), (2, 194318859), (3, 129545906), (6, 64772953), (7, 55519674), (14, 27759837), (21, 18506558), (42, 9253279), (49, 7931382), (98, 3965691), (147, 2643794), (294, 1321897)]