648778884

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{17401}}^1$

素因数の和:17660

約数の個数: 48

約数和(自身を含む): 1637180160

約数和(自身を除く): 988401276

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 239, 478, 717, 956, 1434, 2868, 3107, 6214, 9321, 12428, 17401, 18642, 34802, 37284, 52203, 69604, 104406, 208812, 226213, 452426, 678639, 904852, 1357278, 2714556, 4158839, 8317678, 12476517, 16635356, 24953034, 49906068, 54064907, 108129814, 162194721, 216259628, 324389442, 648778884]

約数ペア:

[(1, 648778884), (2, 324389442), (3, 216259628), (4, 162194721), (6, 108129814), (12, 54064907), (13, 49906068), (26, 24953034), (39, 16635356), (52, 12476517), (78, 8317678), (156, 4158839), (239, 2714556), (478, 1357278), (717, 904852), (956, 678639), (1434, 452426), (2868, 226213), (3107, 208812), (6214, 104406), (9321, 69604), (12428, 52203), (17401, 37284), (18642, 34802)]