81659416

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{537233}}^1$

素因数の和:537258

約数の個数: 16

約数和(自身を含む): 161170200

約数和(自身を除く): 79510784

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 537233, 1074466, 2148932, 4297864, 10207427, 20414854, 40829708, 81659416]

約数ペア:

[(1, 81659416), (2, 40829708), (4, 20414854), (8, 10207427), (19, 4297864), (38, 2148932), (76, 1074466), (152, 537233)]