131262830

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1\times {\mathrm{1277}}^1$

素因数の和:1844

約数の個数: 32

約数和(自身を含む): 249363360

約数和(自身を除く): 118100530

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 541, 1082, 1277, 2554, 2705, 5410, 6385, 10279, 12770, 20558, 24263, 48526, 51395, 102790, 121315, 242630, 690857, 1381714, 3454285, 6908570, 13126283, 26252566, 65631415, 131262830]

約数ペア:

[(1, 131262830), (2, 65631415), (5, 26252566), (10, 13126283), (19, 6908570), (38, 3454285), (95, 1381714), (190, 690857), (541, 242630), (1082, 121315), (1277, 102790), (2554, 51395), (2705, 48526), (5410, 24263), (6385, 20558), (10279, 12770)]