128436286

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{188323}}^1$

素因数の和:188367

約数の個数: 16

約数和(自身を含む): 216949248

約数和(自身を除く): 88512962

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 188323, 376646, 2071553, 4143106, 5838013, 11676026, 64218143, 128436286]

約数ペア:

[(1, 128436286), (2, 64218143), (11, 11676026), (22, 5838013), (31, 4143106), (62, 2071553), (341, 376646), (682, 188323)]