2391571

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{641}}^1$

素因数の和:702

約数の個数: 16

約数和(自身を含む): 3019968

約数和(自身を除く): 628397

約数列:

[1, 7, 13, 41, 91, 287, 533, 641, 3731, 4487, 8333, 26281, 58331, 183967, 341653, 2391571]

約数ペア:

[(1, 2391571), (7, 341653), (13, 183967), (41, 58331), (91, 26281), (287, 8333), (533, 4487), (641, 3731)]