81473132

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{439}}^1$

素因数の和:582

約数の個数: 48

約数和(自身を含む): 159371520

約数和(自身を除く): 77898388

約数列:

[1, 2, 4, 13, 26, 43, 52, 83, 86, 166, 172, 332, 439, 559, 878, 1079, 1118, 1756, 2158, 2236, 3569, 4316, 5707, 7138, 11414, 14276, 18877, 22828, 36437, 37754, 46397, 72874, 75508, 92794, 145748, 185588, 245401, 473681, 490802, 947362, 981604, 1566791, 1894724, 3133582, 6267164, 20368283, 40736566, 81473132]

約数ペア:

[(1, 81473132), (2, 40736566), (4, 20368283), (13, 6267164), (26, 3133582), (43, 1894724), (52, 1566791), (83, 981604), (86, 947362), (166, 490802), (172, 473681), (332, 245401), (439, 185588), (559, 145748), (878, 92794), (1079, 75508), (1118, 72874), (1756, 46397), (2158, 37754), (2236, 36437), (3569, 22828), (4316, 18877), (5707, 14276), (7138, 11414)]