644559097

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{21929}}^1$

素因数の和:21985

約数の個数: 32

約数和(自身を含む): 884217600

約数和(自身を除く): 239658503

約数列:

[1, 7, 13, 17, 19, 91, 119, 133, 221, 247, 323, 1547, 1729, 2261, 4199, 21929, 29393, 153503, 285077, 372793, 416651, 1995539, 2609551, 2916557, 4846309, 5416463, 7083067, 33924163, 37915241, 49581469, 92079871, 644559097]

約数ペア:

[(1, 644559097), (7, 92079871), (13, 49581469), (17, 37915241), (19, 33924163), (91, 7083067), (119, 5416463), (133, 4846309), (221, 2916557), (247, 2609551), (323, 1995539), (1547, 416651), (1729, 372793), (2261, 285077), (4199, 153503), (21929, 29393)]