81488836

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1307}}^1$

素因数の和:1444

約数の個数: 48

約数和(自身を含む): 169202880

約数和(自身を除く): 87714044

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 109, 143, 218, 286, 436, 572, 1199, 1307, 1417, 2398, 2614, 2834, 4796, 5228, 5668, 14377, 15587, 16991, 28754, 31174, 33982, 57508, 62348, 67964, 142463, 186901, 284926, 373802, 569852, 747604, 1567093, 1852019, 3134186, 3704038, 6268372, 7408076, 20372209, 40744418, 81488836]

約数ペア:

[(1, 81488836), (2, 40744418), (4, 20372209), (11, 7408076), (13, 6268372), (22, 3704038), (26, 3134186), (44, 1852019), (52, 1567093), (109, 747604), (143, 569852), (218, 373802), (286, 284926), (436, 186901), (572, 142463), (1199, 67964), (1307, 62348), (1417, 57508), (2398, 33982), (2614, 31174), (2834, 28754), (4796, 16991), (5228, 15587), (5668, 14377)]