156967985

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1\times {\mathrm{3911}}^1$

素因数の和:4288

約数の個数: 16

約数和(自身を含む): 197164800

約数和(自身を除く): 40196815

約数列:

[1, 5, 23, 115, 349, 1745, 3911, 8027, 19555, 40135, 89953, 449765, 1364939, 6824695, 31393597, 156967985]

約数ペア:

[(1, 156967985), (5, 31393597), (23, 6824695), (115, 1364939), (349, 449765), (1745, 89953), (3911, 40135), (8027, 19555)]