216920431

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{5309}}^1$

素因数の和:5778

約数の個数: 16

約数和(自身を含む): 267624000

約数和(自身を除く): 50703569

約数列:

[1, 7, 13, 91, 449, 3143, 5309, 5837, 37163, 40859, 69017, 483119, 2383741, 16686187, 30988633, 216920431]

約数ペア:

[(1, 216920431), (7, 30988633), (13, 16686187), (91, 2383741), (449, 483119), (3143, 69017), (5309, 40859), (5837, 37163)]