51981568

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{10687}}^1$

素因数の和:10722

約数の個数: 36

約数和(自身を含む): 109231360

約数和(自身を除く): 57249792

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 1216, 2432, 4864, 10687, 21374, 42748, 85496, 170992, 203053, 341984, 406106, 683968, 812212, 1367936, 1624424, 2735872, 3248848, 6497696, 12995392, 25990784, 51981568]

約数ペア:

[(1, 51981568), (2, 25990784), (4, 12995392), (8, 6497696), (16, 3248848), (19, 2735872), (32, 1624424), (38, 1367936), (64, 812212), (76, 683968), (128, 406106), (152, 341984), (256, 203053), (304, 170992), (608, 85496), (1216, 42748), (2432, 21374), (4864, 10687)]