820566838

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:402

約数の個数: 96

約数和(自身を含む): 1617960960

約数和(自身を除く): 797394122

約数列:

[1, 2, 7, 13, 14, 26, 31, 49, 62, 79, 91, 98, 158, 182, 217, 263, 403, 434, 526, 553, 637, 806, 1027, 1106, 1274, 1519, 1841, 2054, 2449, 2821, 3038, 3419, 3682, 3871, 4898, 5642, 6838, 7189, 7742, 8153, 12887, 14378, 16306, 17143, 19747, 20777, 23933, 25774, 31837, 34286, 39494, 41554, 47866, 50323, 57071, 63674, 100646, 105989, 114142, 120001, 145439, 167531, 211978, 222859, 240002, 270101, 290878, 335062, 399497, 445718, 540202, 644087, 741923, 798994, 1018073, 1288174, 1483846, 1560013, 1890707, 2036146, 3120026, 3781414, 4508609, 5193461, 8373131, 9017218, 10386922, 13234949, 16746262, 26469898, 31560263, 58611917, 63120526, 117223834, 410283419, 820566838]

約数ペア:

[(1, 820566838), (2, 410283419), (7, 117223834), (13, 63120526), (14, 58611917), (26, 31560263), (31, 26469898), (49, 16746262), (62, 13234949), (79, 10386922), (91, 9017218), (98, 8373131), (158, 5193461), (182, 4508609), (217, 3781414), (263, 3120026), (403, 2036146), (434, 1890707), (526, 1560013), (553, 1483846), (637, 1288174), (806, 1018073), (1027, 798994), (1106, 741923), (1274, 644087), (1519, 540202), (1841, 445718), (2054, 399497), (2449, 335062), (2821, 290878), (3038, 270101), (3419, 240002), (3682, 222859), (3871, 211978), (4898, 167531), (5642, 145439), (6838, 120001), (7189, 114142), (7742, 105989), (8153, 100646), (12887, 63674), (14378, 57071), (16306, 50323), (17143, 47866), (19747, 41554), (20777, 39494), (23933, 34286), (25774, 31837)]