397428052

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{301997}}^1$

素因数の和:302055

約数の個数: 24

約数和(自身を含む): 811770624

約数和(自身を除く): 414342572

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 301997, 603994, 1207988, 2113979, 4227958, 8455916, 14193859, 28387718, 56775436, 99357013, 198714026, 397428052]

約数ペア:

[(1, 397428052), (2, 198714026), (4, 99357013), (7, 56775436), (14, 28387718), (28, 14193859), (47, 8455916), (94, 4227958), (188, 2113979), (329, 1207988), (658, 603994), (1316, 301997)]