28780244

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{1123}}^1$

素因数の和:1319

約数の個数: 24

約数和(自身を含む): 51928800

約数和(自身を除く): 23148556

約数列:

[1, 2, 4, 43, 86, 149, 172, 298, 596, 1123, 2246, 4492, 6407, 12814, 25628, 48289, 96578, 167327, 193156, 334654, 669308, 7195061, 14390122, 28780244]

約数ペア:

[(1, 28780244), (2, 14390122), (4, 7195061), (43, 669308), (86, 334654), (149, 193156), (172, 167327), (298, 96578), (596, 48289), (1123, 25628), (2246, 12814), (4492, 6407)]