81626908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1021}}^1$

素因数の和:1138

約数の個数: 48

約数和(自身を含む): 164828160

約数和(自身を除く): 83201252

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 79, 92, 158, 253, 316, 506, 869, 1012, 1021, 1738, 1817, 2042, 3476, 3634, 4084, 7268, 11231, 19987, 22462, 23483, 39974, 44924, 46966, 79948, 80659, 93932, 161318, 258313, 322636, 516626, 887249, 1033252, 1774498, 1855157, 3548996, 3710314, 7420628, 20406727, 40813454, 81626908]

約数ペア:

[(1, 81626908), (2, 40813454), (4, 20406727), (11, 7420628), (22, 3710314), (23, 3548996), (44, 1855157), (46, 1774498), (79, 1033252), (92, 887249), (158, 516626), (253, 322636), (316, 258313), (506, 161318), (869, 93932), (1012, 80659), (1021, 79948), (1738, 46966), (1817, 44924), (2042, 39974), (3476, 23483), (3634, 22462), (4084, 19987), (7268, 11231)]