2051215790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15778583}}^1$

素因数の和:15778603

約数の個数: 16

約数和(自身を含む): 3976203168

約数和(自身を除く): 1924987378

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 15778583, 31557166, 78892915, 157785830, 205121579, 410243158, 1025607895, 2051215790]

約数ペア:

[(1, 2051215790), (2, 1025607895), (5, 410243158), (10, 205121579), (13, 157785830), (26, 78892915), (65, 31557166), (130, 15778583)]