87161816

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{81919}}^1$

素因数の和:81951

約数の個数: 32

約数和(自身を含む): 196608000

約数和(自身を除く): 109446184

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 81919, 163838, 327676, 573433, 655352, 1146866, 1556461, 2293732, 3112922, 4587464, 6225844, 10895227, 12451688, 21790454, 43580908, 87161816]

約数ペア:

[(1, 87161816), (2, 43580908), (4, 21790454), (7, 12451688), (8, 10895227), (14, 6225844), (19, 4587464), (28, 3112922), (38, 2293732), (56, 1556461), (76, 1146866), (133, 655352), (152, 573433), (266, 327676), (532, 163838), (1064, 81919)]