138657296

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{279551}}^1$

素因数の和:279590

約数の個数: 20

約数和(自身を含む): 277315584

約数和(自身を除く): 138658288

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 279551, 559102, 1118204, 2236408, 4472816, 8666081, 17332162, 34664324, 69328648, 138657296]

約数ペア:

[(1, 138657296), (2, 69328648), (4, 34664324), (8, 17332162), (16, 8666081), (31, 4472816), (62, 2236408), (124, 1118204), (248, 559102), (496, 279551)]