128401924

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{12703}}^1$

素因数の和:12752

約数の個数: 36

約数和(自身を含む): 271052544

約数和(自身を除く): 142650620

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 361, 532, 722, 1444, 2527, 5054, 10108, 12703, 25406, 50812, 88921, 177842, 241357, 355684, 482714, 965428, 1689499, 3378998, 4585783, 6757996, 9171566, 18343132, 32100481, 64200962, 128401924]

約数ペア:

[(1, 128401924), (2, 64200962), (4, 32100481), (7, 18343132), (14, 9171566), (19, 6757996), (28, 4585783), (38, 3378998), (76, 1689499), (133, 965428), (266, 482714), (361, 355684), (532, 241357), (722, 177842), (1444, 88921), (2527, 50812), (5054, 25406), (10108, 12703)]