30998728

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1871}}^1$

素因数の和:2005

約数の個数: 32

約数和(自身を含む): 61776000

約数和(自身を除く): 30777272

約数列:

[1, 2, 4, 8, 19, 38, 76, 109, 152, 218, 436, 872, 1871, 2071, 3742, 4142, 7484, 8284, 14968, 16568, 35549, 71098, 142196, 203939, 284392, 407878, 815756, 1631512, 3874841, 7749682, 15499364, 30998728]

約数ペア:

[(1, 30998728), (2, 15499364), (4, 7749682), (8, 3874841), (19, 1631512), (38, 815756), (76, 407878), (109, 284392), (152, 203939), (218, 142196), (436, 71098), (872, 35549), (1871, 16568), (2071, 14968), (3742, 8284), (4142, 7484)]