2021808656

素因数分解:

$2^4\times 7^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1\times {\mathrm{1493}}^1$

素因数の和:1728

約数の個数: 80

約数和(自身を含む): 4561743744

約数和(自身を除く): 2539935088

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 107, 112, 113, 214, 226, 428, 452, 749, 791, 856, 904, 1493, 1498, 1582, 1712, 1808, 2986, 2996, 3164, 5972, 5992, 6328, 10451, 11944, 11984, 12091, 12656, 20902, 23888, 24182, 41804, 48364, 83608, 84637, 96728, 159751, 167216, 168709, 169274, 193456, 319502, 337418, 338548, 639004, 674836, 677096, 1118257, 1180963, 1278008, 1349672, 1354192, 2236514, 2361926, 2556016, 2699344, 4473028, 4723852, 8946056, 9447704, 17892112, 18051863, 18895408, 36103726, 72207452, 126363041, 144414904, 252726082, 288829808, 505452164, 1010904328, 2021808656]

約数ペア:

[(1, 2021808656), (2, 1010904328), (4, 505452164), (7, 288829808), (8, 252726082), (14, 144414904), (16, 126363041), (28, 72207452), (56, 36103726), (107, 18895408), (112, 18051863), (113, 17892112), (214, 9447704), (226, 8946056), (428, 4723852), (452, 4473028), (749, 2699344), (791, 2556016), (856, 2361926), (904, 2236514), (1493, 1354192), (1498, 1349672), (1582, 1278008), (1712, 1180963), (1808, 1118257), (2986, 677096), (2996, 674836), (3164, 639004), (5972, 338548), (5992, 337418), (6328, 319502), (10451, 193456), (11944, 169274), (11984, 168709), (12091, 167216), (12656, 159751), (20902, 96728), (23888, 84637), (24182, 83608), (41804, 48364)]