81375644

素因数分解:

$2^2\times 7^1\times {\mathrm{367}}^1\times {\mathrm{7919}}^1$

素因数の和:8297

約数の個数: 24

約数和(自身を含む): 163215360

約数和(自身を除く): 81839716

約数列:

[1, 2, 4, 7, 14, 28, 367, 734, 1468, 2569, 5138, 7919, 10276, 15838, 31676, 55433, 110866, 221732, 2906273, 5812546, 11625092, 20343911, 40687822, 81375644]

約数ペア:

[(1, 81375644), (2, 40687822), (4, 20343911), (7, 11625092), (14, 5812546), (28, 2906273), (367, 221732), (734, 110866), (1468, 55433), (2569, 31676), (5138, 15838), (7919, 10276)]