81184584

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{260207}}^1$

素因数の和:260229

約数の個数: 32

約数和(自身を含む): 218574720

約数和(自身を除く): 137390136

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 260207, 520414, 780621, 1040828, 1561242, 2081656, 3122484, 3382691, 6244968, 6765382, 10148073, 13530764, 20296146, 27061528, 40592292, 81184584]

約数ペア:

[(1, 81184584), (2, 40592292), (3, 27061528), (4, 20296146), (6, 13530764), (8, 10148073), (12, 6765382), (13, 6244968), (24, 3382691), (26, 3122484), (39, 2081656), (52, 1561242), (78, 1040828), (104, 780621), (156, 520414), (312, 260207)]