81574558

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{367}}^1$

素因数の和:568

約数の個数: 32

約数和(自身を含む): 135023616

約数和(自身を除く): 53449058

約数列:

[1, 2, 13, 26, 83, 103, 166, 206, 367, 734, 1079, 1339, 2158, 2678, 4771, 8549, 9542, 17098, 30461, 37801, 60922, 75602, 111137, 222274, 395993, 491413, 791986, 982826, 3137483, 6274966, 40787279, 81574558]

約数ペア:

[(1, 81574558), (2, 40787279), (13, 6274966), (26, 3137483), (83, 982826), (103, 791986), (166, 491413), (206, 395993), (367, 222274), (734, 111137), (1079, 75602), (1339, 60922), (2158, 37801), (2678, 30461), (4771, 17098), (8549, 9542)]