251154430

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{18701}}^1$

素因数の和:18804

約数の個数: 32

約数和(自身を含む): 484755840

約数和(自身を除く): 233601410

約数列:

[1, 2, 5, 10, 17, 34, 79, 85, 158, 170, 395, 790, 1343, 2686, 6715, 13430, 18701, 37402, 93505, 187010, 317917, 635834, 1477379, 1589585, 2954758, 3179170, 7386895, 14773790, 25115443, 50230886, 125577215, 251154430]

約数ペア:

[(1, 251154430), (2, 125577215), (5, 50230886), (10, 25115443), (17, 14773790), (34, 7386895), (79, 3179170), (85, 2954758), (158, 1589585), (170, 1477379), (395, 635834), (790, 317917), (1343, 187010), (2686, 93505), (6715, 37402), (13430, 18701)]