320494

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:171

約数の個数: 16

約数和(自身を含む): 508896

約数和(自身を除く): 188402

約数列:

[1, 2, 37, 61, 71, 74, 122, 142, 2257, 2627, 4331, 4514, 5254, 8662, 160247, 320494]

約数ペア:

[(1, 320494), (2, 160247), (37, 8662), (61, 5254), (71, 4514), (74, 4331), (122, 2627), (142, 2257)]