81854564

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{1291}}^1$

素因数の和:1448

約数の個数: 36

約数和(自身を含む): 158776464

約数和(自身を除く): 76921900

約数列:

[1, 2, 4, 11, 22, 44, 121, 131, 242, 262, 484, 524, 1291, 1441, 2582, 2882, 5164, 5764, 14201, 15851, 28402, 31702, 56804, 63404, 156211, 169121, 312422, 338242, 624844, 676484, 1860331, 3720662, 7441324, 20463641, 40927282, 81854564]

約数ペア:

[(1, 81854564), (2, 40927282), (4, 20463641), (11, 7441324), (22, 3720662), (44, 1860331), (121, 676484), (131, 624844), (242, 338242), (262, 312422), (484, 169121), (524, 156211), (1291, 63404), (1441, 56804), (2582, 31702), (2882, 28402), (5164, 15851), (5764, 14201)]