208442078

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{258613}}^1$

素因数の和:258659

約数の個数: 16

約数和(自身を含む): 347577216

約数和(自身を除く): 139135138

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 258613, 517226, 3361969, 6723938, 8017003, 16034006, 104221039, 208442078]

約数ペア:

[(1, 208442078), (2, 104221039), (13, 16034006), (26, 8017003), (31, 6723938), (62, 3361969), (403, 517226), (806, 258613)]