9999972

素因数分解:

$2^2\times 3^2\times {\mathrm{229}}^1\times {\mathrm{1213}}^1$

素因数の和:1452

約数の個数: 36

約数和(自身を含む): 25409020

約数和(自身を除く): 15409048

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 229, 458, 687, 916, 1213, 1374, 2061, 2426, 2748, 3639, 4122, 4852, 7278, 8244, 10917, 14556, 21834, 43668, 277777, 555554, 833331, 1111108, 1666662, 2499993, 3333324, 4999986, 9999972]

約数ペア:

[(1, 9999972), (2, 4999986), (3, 3333324), (4, 2499993), (6, 1666662), (9, 1111108), (12, 833331), (18, 555554), (36, 277777), (229, 43668), (458, 21834), (687, 14556), (916, 10917), (1213, 8244), (1374, 7278), (2061, 4852), (2426, 4122), (2748, 3639)]