138857872

素因数分解:

$2^4\times {\mathrm{557}}^1\times {\mathrm{15581}}^1$

素因数の和:16146

約数の個数: 20

約数和(自身を含む): 269537436

約数和(自身を除く): 130679564

約数列:

[1, 2, 4, 8, 16, 557, 1114, 2228, 4456, 8912, 15581, 31162, 62324, 124648, 249296, 8678617, 17357234, 34714468, 69428936, 138857872]

約数ペア:

[(1, 138857872), (2, 69428936), (4, 34714468), (8, 17357234), (16, 8678617), (557, 249296), (1114, 124648), (2228, 62324), (4456, 31162), (8912, 15581)]