1640129388

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{6263}}^1$

素因数の和:6566

約数の個数: 48

約数和(自身を含む): 3879671040

約数和(自身を除く): 2239541652

約数列:

[1, 2, 3, 4, 6, 12, 139, 157, 278, 314, 417, 471, 556, 628, 834, 942, 1668, 1884, 6263, 12526, 18789, 21823, 25052, 37578, 43646, 65469, 75156, 87292, 130938, 261876, 870557, 983291, 1741114, 1966582, 2611671, 2949873, 3482228, 3933164, 5223342, 5899746, 10446684, 11799492, 136677449, 273354898, 410032347, 546709796, 820064694, 1640129388]

約数ペア:

[(1, 1640129388), (2, 820064694), (3, 546709796), (4, 410032347), (6, 273354898), (12, 136677449), (139, 11799492), (157, 10446684), (278, 5899746), (314, 5223342), (417, 3933164), (471, 3482228), (556, 2949873), (628, 2611671), (834, 1966582), (942, 1741114), (1668, 983291), (1884, 870557), (6263, 261876), (12526, 130938), (18789, 87292), (21823, 75156), (25052, 65469), (37578, 43646)]