661081398

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{24877}}^1$

素因数の和:25028

約数の個数: 32

約数和(自身を含む): 1366100736

約数和(自身を除く): 705019338

約数列:

[1, 2, 3, 6, 43, 86, 103, 129, 206, 258, 309, 618, 4429, 8858, 13287, 24877, 26574, 49754, 74631, 149262, 1069711, 2139422, 2562331, 3209133, 5124662, 6418266, 7686993, 15373986, 110180233, 220360466, 330540699, 661081398]

約数ペア:

[(1, 661081398), (2, 330540699), (3, 220360466), (6, 110180233), (43, 15373986), (86, 7686993), (103, 6418266), (129, 5124662), (206, 3209133), (258, 2562331), (309, 2139422), (618, 1069711), (4429, 149262), (8858, 74631), (13287, 49754), (24877, 26574)]