2158647911

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{821}}^1\times {\mathrm{2333}}^1$

素因数の和:3191

約数の個数: 24

約数和(自身を含む): 2624573664

約数和(自身を除く): 465925753

約数列:

[1, 7, 23, 49, 161, 821, 1127, 2333, 5747, 16331, 18883, 40229, 53659, 114317, 132181, 375613, 925267, 1915393, 2629291, 13407751, 44054039, 93854257, 308378273, 2158647911]

約数ペア:

[(1, 2158647911), (7, 308378273), (23, 93854257), (49, 44054039), (161, 13407751), (821, 2629291), (1127, 1915393), (2333, 925267), (5747, 375613), (16331, 132181), (18883, 114317), (40229, 53659)]