81691636

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{26627}}^1$

素因数の和:26703

約数の個数: 24

約数和(自身を含む): 156572640

約数和(自身を除く): 74881004

約数列:

[1, 2, 4, 13, 26, 52, 59, 118, 236, 767, 1534, 3068, 26627, 53254, 106508, 346151, 692302, 1384604, 1570993, 3141986, 6283972, 20422909, 40845818, 81691636]

約数ペア:

[(1, 81691636), (2, 40845818), (4, 20422909), (13, 6283972), (26, 3141986), (52, 1570993), (59, 1384604), (118, 692302), (236, 346151), (767, 106508), (1534, 53254), (3068, 26627)]