28513528

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1721}}^1$

素因数の和:1855

約数の個数: 32

約数和(自身を含む): 56826000

約数和(自身を除く): 28312472

約数列:

[1, 2, 4, 8, 19, 38, 76, 109, 152, 218, 436, 872, 1721, 2071, 3442, 4142, 6884, 8284, 13768, 16568, 32699, 65398, 130796, 187589, 261592, 375178, 750356, 1500712, 3564191, 7128382, 14256764, 28513528]

約数ペア:

[(1, 28513528), (2, 14256764), (4, 7128382), (8, 3564191), (19, 1500712), (38, 750356), (76, 375178), (109, 261592), (152, 187589), (218, 130796), (436, 65398), (872, 32699), (1721, 16568), (2071, 13768), (3442, 8284), (4142, 6884)]