630896

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:189

約数の個数: 40

約数和(自身を含む): 1440384

約数和(自身を除く): 809488

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 131, 172, 262, 301, 344, 524, 602, 688, 917, 1048, 1204, 1834, 2096, 2408, 3668, 4816, 5633, 7336, 11266, 14672, 22532, 39431, 45064, 78862, 90128, 157724, 315448, 630896]

約数ペア:

[(1, 630896), (2, 315448), (4, 157724), (7, 90128), (8, 78862), (14, 45064), (16, 39431), (28, 22532), (43, 14672), (56, 11266), (86, 7336), (112, 5633), (131, 4816), (172, 3668), (262, 2408), (301, 2096), (344, 1834), (524, 1204), (602, 1048), (688, 917)]