1557631938

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{3656413}}^1$

素因数の和:3656489

約数の個数: 16

約数和(自身を含む): 3159141696

約数和(自身を除く): 1601509758

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 3656413, 7312826, 10969239, 21938478, 259605323, 519210646, 778815969, 1557631938]

約数ペア:

[(1, 1557631938), (2, 778815969), (3, 519210646), (6, 259605323), (71, 21938478), (142, 10969239), (213, 7312826), (426, 3656413)]