81958292

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:225

約数の個数: 96

約数和(自身を含む): 177811200

約数和(自身を除く): 95852908

約数列:

[1, 2, 4, 13, 17, 23, 26, 29, 34, 46, 52, 58, 68, 92, 116, 139, 221, 278, 299, 377, 391, 442, 493, 556, 598, 667, 754, 782, 884, 986, 1196, 1334, 1508, 1564, 1807, 1972, 2363, 2668, 3197, 3614, 4031, 4726, 5083, 6394, 6409, 7228, 8062, 8671, 9452, 10166, 11339, 12788, 12818, 16124, 17342, 20332, 22678, 25636, 30719, 34684, 41561, 45356, 52403, 54349, 61438, 68527, 83122, 92713, 104806, 108698, 122876, 137054, 147407, 166244, 185426, 209612, 217396, 274108, 294814, 370852, 589628, 706537, 890851, 1205269, 1413074, 1576121, 1781702, 2410538, 2826148, 3152242, 3563404, 4821076, 6304484, 20489573, 40979146, 81958292]

約数ペア:

[(1, 81958292), (2, 40979146), (4, 20489573), (13, 6304484), (17, 4821076), (23, 3563404), (26, 3152242), (29, 2826148), (34, 2410538), (46, 1781702), (52, 1576121), (58, 1413074), (68, 1205269), (92, 890851), (116, 706537), (139, 589628), (221, 370852), (278, 294814), (299, 274108), (377, 217396), (391, 209612), (442, 185426), (493, 166244), (556, 147407), (598, 137054), (667, 122876), (754, 108698), (782, 104806), (884, 92713), (986, 83122), (1196, 68527), (1334, 61438), (1508, 54349), (1564, 52403), (1807, 45356), (1972, 41561), (2363, 34684), (2668, 30719), (3197, 25636), (3614, 22678), (4031, 20332), (4726, 17342), (5083, 16124), (6394, 12818), (6409, 12788), (7228, 11339), (8062, 10166), (8671, 9452)]