128250988

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{1163}}^1\times {\mathrm{1451}}^1$

素因数の和:2637

約数の個数: 24

約数和(自身を含む): 236617920

約数和(自身を除く): 108366932

約数列:

[1, 2, 4, 19, 38, 76, 1163, 1451, 2326, 2902, 4652, 5804, 22097, 27569, 44194, 55138, 88388, 110276, 1687513, 3375026, 6750052, 32062747, 64125494, 128250988]

約数ペア:

[(1, 128250988), (2, 64125494), (4, 32062747), (19, 6750052), (38, 3375026), (76, 1687513), (1163, 110276), (1451, 88388), (2326, 55138), (2902, 44194), (4652, 27569), (5804, 22097)]