1391640406

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1726601}}^1$

素因数の和:1726647

約数の個数: 16

約数和(自身を含む): 2320553088

約数和(自身を除く): 928912682

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 1726601, 3453202, 22445813, 44891626, 53524631, 107049262, 695820203, 1391640406]

約数ペア:

[(1, 1391640406), (2, 695820203), (13, 107049262), (26, 53524631), (31, 44891626), (62, 22445813), (403, 3453202), (806, 1726601)]