157947728

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{318443}}^1$

素因数の和:318482

約数の個数: 20

約数和(自身を含む): 315896448

約数和(自身を除く): 157948720

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 318443, 636886, 1273772, 2547544, 5095088, 9871733, 19743466, 39486932, 78973864, 157947728]

約数ペア:

[(1, 157947728), (2, 78973864), (4, 39486932), (8, 19743466), (16, 9871733), (31, 5095088), (62, 2547544), (124, 1273772), (248, 636886), (496, 318443)]