388610474

素因数分解:

$2^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{20129}}^1$

素因数の和:20342

約数の個数: 24

約数和(自身を含む): 681561540

約数和(自身を除く): 292951066

約数列:

[1, 2, 7, 14, 49, 98, 197, 394, 1379, 2758, 9653, 19306, 20129, 40258, 140903, 281806, 986321, 1972642, 3965413, 7930826, 27757891, 55515782, 194305237, 388610474]

約数ペア:

[(1, 388610474), (2, 194305237), (7, 55515782), (14, 27757891), (49, 7930826), (98, 3965413), (197, 1972642), (394, 986321), (1379, 281806), (2758, 140903), (9653, 40258), (19306, 20129)]