81384296

素因数分解:

$2^3\times 7^4\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:276

約数の個数: 80

約数和(自身を含む): 188227200

約数和(自身を除く): 106842904

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 49, 56, 76, 98, 133, 152, 196, 223, 266, 343, 392, 446, 532, 686, 892, 931, 1064, 1372, 1561, 1784, 1862, 2401, 2744, 3122, 3724, 4237, 4802, 6244, 6517, 7448, 8474, 9604, 10927, 12488, 13034, 16948, 19208, 21854, 26068, 29659, 33896, 43708, 45619, 52136, 59318, 76489, 87416, 91238, 118636, 152978, 182476, 207613, 237272, 305956, 364952, 415226, 535423, 611912, 830452, 1070846, 1453291, 1660904, 2141692, 2906582, 4283384, 5813164, 10173037, 11626328, 20346074, 40692148, 81384296]

約数ペア:

[(1, 81384296), (2, 40692148), (4, 20346074), (7, 11626328), (8, 10173037), (14, 5813164), (19, 4283384), (28, 2906582), (38, 2141692), (49, 1660904), (56, 1453291), (76, 1070846), (98, 830452), (133, 611912), (152, 535423), (196, 415226), (223, 364952), (266, 305956), (343, 237272), (392, 207613), (446, 182476), (532, 152978), (686, 118636), (892, 91238), (931, 87416), (1064, 76489), (1372, 59318), (1561, 52136), (1784, 45619), (1862, 43708), (2401, 33896), (2744, 29659), (3122, 26068), (3724, 21854), (4237, 19208), (4802, 16948), (6244, 13034), (6517, 12488), (7448, 10927), (8474, 9604)]