178137830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{105407}}^1$

素因数の和:105440

約数の個数: 24

約数和(自身を含む): 347213952

約数和(自身を除く): 169076122

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 105407, 210814, 527035, 1054070, 1370291, 2740582, 6851455, 13702910, 17813783, 35627566, 89068915, 178137830]

約数ペア:

[(1, 178137830), (2, 89068915), (5, 35627566), (10, 17813783), (13, 13702910), (26, 6851455), (65, 2740582), (130, 1370291), (169, 1054070), (338, 527035), (845, 210814), (1690, 105407)]