387635521

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{3089}}^1$

素因数の和:3313

約数の個数: 24

約数和(自身を含む): 488232360

約数和(自身を除く): 100596839

約数列:

[1, 7, 13, 49, 91, 197, 637, 1379, 2561, 3089, 9653, 17927, 21623, 40157, 125489, 151361, 281099, 608533, 1967693, 4259731, 7910929, 29818117, 55376503, 387635521]

約数ペア:

[(1, 387635521), (7, 55376503), (13, 29818117), (49, 7910929), (91, 4259731), (197, 1967693), (637, 608533), (1379, 281099), (2561, 151361), (3089, 125489), (9653, 40157), (17927, 21623)]