287130246

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{118747}}^1$

素因数の和:118796

約数の個数: 32

約数和(自身を含む): 638389248

約数和(自身を除く): 351259002

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 118747, 237494, 356241, 712482, 1543711, 3087422, 3681157, 4631133, 7362314, 9262266, 11043471, 22086942, 47855041, 95710082, 143565123, 287130246]

約数ペア:

[(1, 287130246), (2, 143565123), (3, 95710082), (6, 47855041), (13, 22086942), (26, 11043471), (31, 9262266), (39, 7362314), (62, 4631133), (78, 3681157), (93, 3087422), (186, 1543711), (403, 712482), (806, 356241), (1209, 237494), (2418, 118747)]