81991624

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71671}}^1$

素因数の和:71701

約数の個数: 32

約数和(自身を含む): 180613440

約数和(自身を除く): 98621816

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 71671, 143342, 286684, 573368, 788381, 931723, 1576762, 1863446, 3153524, 3726892, 6307048, 7453784, 10248953, 20497906, 40995812, 81991624]

約数ペア:

[(1, 81991624), (2, 40995812), (4, 20497906), (8, 10248953), (11, 7453784), (13, 6307048), (22, 3726892), (26, 3153524), (44, 1863446), (52, 1576762), (88, 931723), (104, 788381), (143, 573368), (286, 286684), (572, 143342), (1144, 71671)]