9999978

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:191

約数の個数: 48

約数和(自身を含む): 21809280

約数和(自身を除く): 11809302

約数列:

[1, 2, 3, 6, 17, 34, 51, 73, 79, 102, 146, 158, 219, 237, 289, 438, 474, 578, 867, 1241, 1343, 1734, 2482, 2686, 3723, 4029, 5767, 7446, 8058, 11534, 17301, 21097, 22831, 34602, 42194, 45662, 63291, 68493, 98039, 126582, 136986, 196078, 294117, 588234, 1666663, 3333326, 4999989, 9999978]

約数ペア:

[(1, 9999978), (2, 4999989), (3, 3333326), (6, 1666663), (17, 588234), (34, 294117), (51, 196078), (73, 136986), (79, 126582), (102, 98039), (146, 68493), (158, 63291), (219, 45662), (237, 42194), (289, 34602), (438, 22831), (474, 21097), (578, 17301), (867, 11534), (1241, 8058), (1343, 7446), (1734, 5767), (2482, 4029), (2686, 3723)]