81676364

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:879

約数の個数: 96

約数和(自身を含む): 198858240

約数和(自身を除く): 117181876

約数列:

[1, 2, 4, 7, 11, 14, 17, 19, 22, 28, 34, 38, 44, 68, 76, 77, 119, 133, 154, 187, 209, 238, 266, 308, 323, 374, 418, 476, 532, 646, 748, 821, 836, 1292, 1309, 1463, 1642, 2261, 2618, 2926, 3284, 3553, 4522, 5236, 5747, 5852, 7106, 9031, 9044, 11494, 13957, 14212, 15599, 18062, 22988, 24871, 27914, 31198, 36124, 49742, 55828, 62396, 63217, 97699, 99484, 109193, 126434, 153527, 171589, 195398, 218386, 252868, 265183, 307054, 343178, 390796, 436772, 530366, 614108, 686356, 1060732, 1074689, 1201123, 1856281, 2149378, 2402246, 2917013, 3712562, 4298756, 4804492, 5834026, 7425124, 11668052, 20419091, 40838182, 81676364]

約数ペア:

[(1, 81676364), (2, 40838182), (4, 20419091), (7, 11668052), (11, 7425124), (14, 5834026), (17, 4804492), (19, 4298756), (22, 3712562), (28, 2917013), (34, 2402246), (38, 2149378), (44, 1856281), (68, 1201123), (76, 1074689), (77, 1060732), (119, 686356), (133, 614108), (154, 530366), (187, 436772), (209, 390796), (238, 343178), (266, 307054), (308, 265183), (323, 252868), (374, 218386), (418, 195398), (476, 171589), (532, 153527), (646, 126434), (748, 109193), (821, 99484), (836, 97699), (1292, 63217), (1309, 62396), (1463, 55828), (1642, 49742), (2261, 36124), (2618, 31198), (2926, 27914), (3284, 24871), (3553, 22988), (4522, 18062), (5236, 15599), (5747, 14212), (5852, 13957), (7106, 11494), (9031, 9044)]