264355

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1$

素因数の和:115

約数の個数: 24

約数和(自身を含む): 402192

約数和(自身を除く): 137837

約数列:

[1, 5, 7, 13, 35, 49, 65, 83, 91, 245, 415, 455, 581, 637, 1079, 2905, 3185, 4067, 5395, 7553, 20335, 37765, 52871, 264355]

約数ペア:

[(1, 264355), (5, 52871), (7, 37765), (13, 20335), (35, 7553), (49, 5395), (65, 4067), (83, 3185), (91, 2905), (245, 1079), (415, 637), (455, 581)]