402668

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:281

約数の個数: 24

約数和(自身を含む): 820512

約数和(自身を除く): 417844

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 197, 292, 394, 511, 788, 1022, 1379, 2044, 2758, 5516, 14381, 28762, 57524, 100667, 201334, 402668]

約数ペア:

[(1, 402668), (2, 201334), (4, 100667), (7, 57524), (14, 28762), (28, 14381), (73, 5516), (146, 2758), (197, 2044), (292, 1379), (394, 1022), (511, 788)]