81691324

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:347

約数の個数: 96

約数和(自身を含む): 184246272

約数和(自身を除く): 102554948

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 31, 34, 44, 52, 62, 68, 124, 143, 187, 221, 271, 286, 341, 374, 403, 442, 527, 542, 572, 682, 748, 806, 884, 1054, 1084, 1364, 1612, 2108, 2431, 2981, 3523, 4433, 4607, 4862, 5797, 5962, 6851, 7046, 8401, 8866, 9214, 9724, 11594, 11924, 13702, 14092, 16802, 17732, 18428, 23188, 27404, 33604, 38753, 50677, 59891, 75361, 77506, 92411, 101354, 109213, 119782, 142817, 150722, 155012, 184822, 202708, 218426, 239564, 285634, 301444, 369644, 436852, 571268, 658801, 1201343, 1317602, 1570987, 1856621, 2402686, 2635204, 3141974, 3713242, 4805372, 6283948, 7426484, 20422831, 40845662, 81691324]

約数ペア:

[(1, 81691324), (2, 40845662), (4, 20422831), (11, 7426484), (13, 6283948), (17, 4805372), (22, 3713242), (26, 3141974), (31, 2635204), (34, 2402686), (44, 1856621), (52, 1570987), (62, 1317602), (68, 1201343), (124, 658801), (143, 571268), (187, 436852), (221, 369644), (271, 301444), (286, 285634), (341, 239564), (374, 218426), (403, 202708), (442, 184822), (527, 155012), (542, 150722), (572, 142817), (682, 119782), (748, 109213), (806, 101354), (884, 92411), (1054, 77506), (1084, 75361), (1364, 59891), (1612, 50677), (2108, 38753), (2431, 33604), (2981, 27404), (3523, 23188), (4433, 18428), (4607, 17732), (4862, 16802), (5797, 14092), (5962, 13702), (6851, 11924), (7046, 11594), (8401, 9724), (8866, 9214)]