12978708

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 31610880

約数和(自身を除く): 18632172

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 139, 186, 251, 278, 372, 417, 502, 556, 753, 834, 1004, 1506, 1668, 3012, 4309, 7781, 8618, 12927, 15562, 17236, 23343, 25854, 31124, 34889, 46686, 51708, 69778, 93372, 104667, 139556, 209334, 418668, 1081559, 2163118, 3244677, 4326236, 6489354, 12978708]

約数ペア:

[(1, 12978708), (2, 6489354), (3, 4326236), (4, 3244677), (6, 2163118), (12, 1081559), (31, 418668), (62, 209334), (93, 139556), (124, 104667), (139, 93372), (186, 69778), (251, 51708), (278, 46686), (372, 34889), (417, 31124), (502, 25854), (556, 23343), (753, 17236), (834, 15562), (1004, 12927), (1506, 8618), (1668, 7781), (3012, 4309)]