263525327

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^2\times {\mathrm{389}}^1$

素因数の和:515

約数の個数: 24

約数和(自身を含む): 301042560

約数和(自身を除く): 37517233

約数列:

[1, 13, 31, 41, 389, 403, 533, 1271, 1681, 5057, 12059, 15949, 16523, 21853, 52111, 156767, 207337, 494419, 653909, 677443, 6427447, 8500817, 20271179, 263525327]

約数ペア:

[(1, 263525327), (13, 20271179), (31, 8500817), (41, 6427447), (389, 677443), (403, 653909), (533, 494419), (1271, 207337), (1681, 156767), (5057, 52111), (12059, 21853), (15949, 16523)]