38947948

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1$

素因数の和:614

約数の個数: 48

約数和(自身を含む): 78400000

約数和(自身を除く): 39452052

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 79, 158, 247, 316, 494, 499, 988, 998, 1027, 1501, 1996, 2054, 3002, 4108, 6004, 6487, 9481, 12974, 18962, 19513, 25948, 37924, 39026, 39421, 78052, 78842, 123253, 157684, 246506, 493012, 512473, 748999, 1024946, 1497998, 2049892, 2995996, 9736987, 19473974, 38947948]

約数ペア:

[(1, 38947948), (2, 19473974), (4, 9736987), (13, 2995996), (19, 2049892), (26, 1497998), (38, 1024946), (52, 748999), (76, 512473), (79, 493012), (158, 246506), (247, 157684), (316, 123253), (494, 78842), (499, 78052), (988, 39421), (998, 39026), (1027, 37924), (1501, 25948), (1996, 19513), (2054, 18962), (3002, 12974), (4108, 9481), (6004, 6487)]