128416218

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{11897}}^1$

素因数の和:12166

約数の個数: 32

約数和(自身を含む): 294689664

約数和(自身を除く): 166273446

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 257, 514, 771, 1542, 1799, 3598, 5397, 10794, 11897, 23794, 35691, 71382, 83279, 166558, 249837, 499674, 3057529, 6115058, 9172587, 18345174, 21402703, 42805406, 64208109, 128416218]

約数ペア:

[(1, 128416218), (2, 64208109), (3, 42805406), (6, 21402703), (7, 18345174), (14, 9172587), (21, 6115058), (42, 3057529), (257, 499674), (514, 249837), (771, 166558), (1542, 83279), (1799, 71382), (3598, 35691), (5397, 23794), (10794, 11897)]