81164356

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{222979}}^1$

素因数の和:223003

約数の個数: 24

約数和(自身を含む): 174816320

約数和(自身を除く): 93651964

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 222979, 445958, 891916, 1560853, 2898727, 3121706, 5797454, 6243412, 11594908, 20291089, 40582178, 81164356]

約数ペア:

[(1, 81164356), (2, 40582178), (4, 20291089), (7, 11594908), (13, 6243412), (14, 5797454), (26, 3121706), (28, 2898727), (52, 1560853), (91, 891916), (182, 445958), (364, 222979)]