81520888

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{167051}}^1$

素因数の和:167118

約数の個数: 16

約数和(自身を含む): 155358360

約数和(自身を除く): 73837472

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 167051, 334102, 668204, 1336408, 10190111, 20380222, 40760444, 81520888]

約数ペア:

[(1, 81520888), (2, 40760444), (4, 20380222), (8, 10190111), (61, 1336408), (122, 668204), (244, 334102), (488, 167051)]