28476890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{219053}}^1$

素因数の和:219073

約数の個数: 16

約数和(自身を含む): 55201608

約数和(自身を除く): 26724718

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 219053, 438106, 1095265, 2190530, 2847689, 5695378, 14238445, 28476890]

約数ペア:

[(1, 28476890), (2, 14238445), (5, 5695378), (10, 2847689), (13, 2190530), (26, 1095265), (65, 438106), (130, 219053)]