81221322

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:380

約数の個数: 96

約数和(自身を含む): 206841600

約数和(自身を除く): 125620278

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 79, 91, 98, 147, 158, 182, 237, 269, 273, 294, 474, 538, 546, 553, 637, 807, 1027, 1106, 1274, 1614, 1659, 1883, 1911, 2054, 3081, 3318, 3497, 3766, 3822, 3871, 5649, 6162, 6994, 7189, 7742, 10491, 11298, 11613, 13181, 14378, 20982, 21251, 21567, 23226, 24479, 26362, 39543, 42502, 43134, 48958, 50323, 63753, 73437, 79086, 100646, 127506, 146874, 148757, 150969, 171353, 276263, 297514, 301938, 342706, 446271, 514059, 552526, 828789, 892542, 1028118, 1041299, 1657578, 1933841, 2082598, 3123897, 3867682, 5801523, 6247794, 11603046, 13536887, 27073774, 40610661, 81221322]

約数ペア:

[(1, 81221322), (2, 40610661), (3, 27073774), (6, 13536887), (7, 11603046), (13, 6247794), (14, 5801523), (21, 3867682), (26, 3123897), (39, 2082598), (42, 1933841), (49, 1657578), (78, 1041299), (79, 1028118), (91, 892542), (98, 828789), (147, 552526), (158, 514059), (182, 446271), (237, 342706), (269, 301938), (273, 297514), (294, 276263), (474, 171353), (538, 150969), (546, 148757), (553, 146874), (637, 127506), (807, 100646), (1027, 79086), (1106, 73437), (1274, 63753), (1614, 50323), (1659, 48958), (1883, 43134), (1911, 42502), (2054, 39543), (3081, 26362), (3318, 24479), (3497, 23226), (3766, 21567), (3822, 21251), (3871, 20982), (5649, 14378), (6162, 13181), (6994, 11613), (7189, 11298), (7742, 10491)]