123798978

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{307}}^1\times {\mathrm{521}}^1$

素因数の和:879

約数の個数: 48

約数和(自身を含む): 275891616

約数和(自身を除く): 152092638

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 307, 387, 521, 614, 774, 921, 1042, 1563, 1842, 2763, 3126, 4689, 5526, 9378, 13201, 22403, 26402, 39603, 44806, 67209, 79206, 118809, 134418, 159947, 201627, 237618, 319894, 403254, 479841, 959682, 1439523, 2879046, 6877721, 13755442, 20633163, 41266326, 61899489, 123798978]

約数ペア:

[(1, 123798978), (2, 61899489), (3, 41266326), (6, 20633163), (9, 13755442), (18, 6877721), (43, 2879046), (86, 1439523), (129, 959682), (258, 479841), (307, 403254), (387, 319894), (521, 237618), (614, 201627), (774, 159947), (921, 134418), (1042, 118809), (1563, 79206), (1842, 67209), (2763, 44806), (3126, 39603), (4689, 26402), (5526, 22403), (9378, 13201)]