128405238

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1646221}}^1$

素因数の和:1646239

約数の個数: 16

約数和(自身を含む): 276565296

約数和(自身を除く): 148160058

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1646221, 3292442, 4938663, 9877326, 21400873, 42801746, 64202619, 128405238]

約数ペア:

[(1, 128405238), (2, 64202619), (3, 42801746), (6, 21400873), (13, 9877326), (26, 4938663), (39, 3292442), (78, 1646221)]