11971505

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{317}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 17950464

約数和(自身を除く): 5978959

約数列:

[1, 5, 7, 13, 35, 65, 83, 91, 317, 415, 455, 581, 1079, 1585, 2219, 2905, 4121, 5395, 7553, 11095, 20605, 26311, 28847, 37765, 131555, 144235, 184177, 342043, 920885, 1710215, 2394301, 11971505]

約数ペア:

[(1, 11971505), (5, 2394301), (7, 1710215), (13, 920885), (35, 342043), (65, 184177), (83, 144235), (91, 131555), (317, 37765), (415, 28847), (455, 26311), (581, 20605), (1079, 11095), (1585, 7553), (2219, 5395), (2905, 4121)]