11820445

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{313}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 17724672

約数和(自身を除く): 5904227

約数列:

[1, 5, 7, 13, 35, 65, 83, 91, 313, 415, 455, 581, 1079, 1565, 2191, 2905, 4069, 5395, 7553, 10955, 20345, 25979, 28483, 37765, 129895, 142415, 181853, 337727, 909265, 1688635, 2364089, 11820445]

約数ペア:

[(1, 11820445), (5, 2364089), (7, 1688635), (13, 909265), (35, 337727), (65, 181853), (83, 142415), (91, 129895), (313, 37765), (415, 28483), (455, 25979), (581, 20345), (1079, 10955), (1565, 7553), (2191, 5395), (2905, 4069)]