681816876

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{190027}}^1$

素因数の和:190070

約数の個数: 48

約数和(自身を含む): 1787783424

約数和(自身を除く): 1105966548

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 69, 78, 92, 138, 156, 276, 299, 598, 897, 1196, 1794, 3588, 190027, 380054, 570081, 760108, 1140162, 2280324, 2470351, 4370621, 4940702, 7411053, 8741242, 9881404, 13111863, 14822106, 17482484, 26223726, 29644212, 52447452, 56818073, 113636146, 170454219, 227272292, 340908438, 681816876]

約数ペア:

[(1, 681816876), (2, 340908438), (3, 227272292), (4, 170454219), (6, 113636146), (12, 56818073), (13, 52447452), (23, 29644212), (26, 26223726), (39, 17482484), (46, 14822106), (52, 13111863), (69, 9881404), (78, 8741242), (92, 7411053), (138, 4940702), (156, 4370621), (276, 2470351), (299, 2280324), (598, 1140162), (897, 760108), (1196, 570081), (1794, 380054), (3588, 190027)]