123454748

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{20399}}^1$

素因数の和:20509

約数の個数: 24

約数和(自身を含む): 231336000

約数和(自身を除く): 107881252

約数列:

[1, 2, 4, 17, 34, 68, 89, 178, 356, 1513, 3026, 6052, 20399, 40798, 81596, 346783, 693566, 1387132, 1815511, 3631022, 7262044, 30863687, 61727374, 123454748]

約数ペア:

[(1, 123454748), (2, 61727374), (4, 30863687), (17, 7262044), (34, 3631022), (68, 1815511), (89, 1387132), (178, 693566), (356, 346783), (1513, 81596), (3026, 40798), (6052, 20399)]