81020784

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{129841}}^1$

素因数の和:129865

約数の個数: 40

約数和(自身を含む): 225405712

約数和(自身を除く): 144384928

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 129841, 259682, 389523, 519364, 779046, 1038728, 1558092, 1687933, 2077456, 3116184, 3375866, 5063799, 6232368, 6751732, 10127598, 13503464, 20255196, 27006928, 40510392, 81020784]

約数ペア:

[(1, 81020784), (2, 40510392), (3, 27006928), (4, 20255196), (6, 13503464), (8, 10127598), (12, 6751732), (13, 6232368), (16, 5063799), (24, 3375866), (26, 3116184), (39, 2077456), (48, 1687933), (52, 1558092), (78, 1038728), (104, 779046), (156, 519364), (208, 389523), (312, 259682), (624, 129841)]