128435726

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{14173}}^1$

素因数の和:14395

約数の個数: 16

約数和(自身を含む): 202064544

約数和(自身を除く): 73628818

約数列:

[1, 2, 23, 46, 197, 394, 4531, 9062, 14173, 28346, 325979, 651958, 2792081, 5584162, 64217863, 128435726]

約数ペア:

[(1, 128435726), (2, 64217863), (23, 5584162), (46, 2792081), (197, 651958), (394, 325979), (4531, 28346), (9062, 14173)]