243908

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:323

約数の個数: 24

約数和(自身を含む): 505344

約数和(自身を除く): 261436

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 281, 434, 562, 868, 1124, 1967, 3934, 7868, 8711, 17422, 34844, 60977, 121954, 243908]

約数ペア:

[(1, 243908), (2, 121954), (4, 60977), (7, 34844), (14, 17422), (28, 8711), (31, 7868), (62, 3934), (124, 1967), (217, 1124), (281, 868), (434, 562)]