47381428

素因数分解:

$2^2\times {\mathrm{109}}^2\times {\mathrm{997}}^1$

素因数の和:1219

約数の個数: 18

約数和(自身を含む): 83769126

約数和(自身を除く): 36387698

約数列:

[1, 2, 4, 109, 218, 436, 997, 1994, 3988, 11881, 23762, 47524, 108673, 217346, 434692, 11845357, 23690714, 47381428]

約数ペア:

[(1, 47381428), (2, 23690714), (4, 11845357), (109, 434692), (218, 217346), (436, 108673), (997, 47524), (1994, 23762), (3988, 11881)]