389876048

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{859}}^1\times {\mathrm{1493}}^1$

素因数の和:2379

約数の個数: 40

約数和(自身を含む): 796600800

約数和(自身を除く): 406724752

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 859, 1493, 1718, 2986, 3436, 5972, 6872, 11944, 13744, 16321, 23888, 28367, 32642, 56734, 65284, 113468, 130568, 226936, 261136, 453872, 1282487, 2564974, 5129948, 10259896, 20519792, 24367253, 48734506, 97469012, 194938024, 389876048]

約数ペア:

[(1, 389876048), (2, 194938024), (4, 97469012), (8, 48734506), (16, 24367253), (19, 20519792), (38, 10259896), (76, 5129948), (152, 2564974), (304, 1282487), (859, 453872), (1493, 261136), (1718, 226936), (2986, 130568), (3436, 113468), (5972, 65284), (6872, 56734), (11944, 32642), (13744, 28367), (16321, 23888)]