81169816

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{111497}}^1$

素因数の和:111523

約数の個数: 32

約数和(自身を含む): 187316640

約数和(自身を除く): 106146824

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 111497, 222994, 445988, 780479, 891976, 1449461, 1560958, 2898922, 3121916, 5797844, 6243832, 10146227, 11595688, 20292454, 40584908, 81169816]

約数ペア:

[(1, 81169816), (2, 40584908), (4, 20292454), (7, 11595688), (8, 10146227), (13, 6243832), (14, 5797844), (26, 3121916), (28, 2898922), (52, 1560958), (56, 1449461), (91, 891976), (104, 780479), (182, 445988), (364, 222994), (728, 111497)]