396784339

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{27691}}^1$

素因数の和:27810

約数の個数: 16

約数和(自身を含む): 478517760

約数和(自身を除く): 81733421

約数列:

[1, 7, 23, 89, 161, 623, 2047, 14329, 27691, 193837, 636893, 2464499, 4458251, 17251493, 56683477, 396784339]

約数ペア:

[(1, 396784339), (7, 56683477), (23, 17251493), (89, 4458251), (161, 2464499), (623, 636893), (2047, 193837), (14329, 27691)]