207839425

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{397}}^1\times {\mathrm{487}}^1$

素因数の和:937

約数の個数: 24

約数和(自身を含む): 264921536

約数和(自身を除く): 57082111

約数列:

[1, 5, 25, 43, 215, 397, 487, 1075, 1985, 2435, 9925, 12175, 17071, 20941, 85355, 104705, 193339, 426775, 523525, 966695, 4833475, 8313577, 41567885, 207839425]

約数ペア:

[(1, 207839425), (5, 41567885), (25, 8313577), (43, 4833475), (215, 966695), (397, 523525), (487, 426775), (1075, 193339), (1985, 104705), (2435, 85355), (9925, 20941), (12175, 17071)]