30985795

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1\times {\mathrm{389}}^1$

素因数の和:662

約数の個数: 16

約数和(自身を含む): 37908000

約数和(自身を除く): 6922205

約数列:

[1, 5, 89, 179, 389, 445, 895, 1945, 15931, 34621, 69631, 79655, 173105, 348155, 6197159, 30985795]

約数ペア:

[(1, 30985795), (5, 6197159), (89, 348155), (179, 173105), (389, 79655), (445, 69631), (895, 34621), (1945, 15931)]