620394095

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{28649}}^1$

素因数の和:28786

約数の個数: 16

約数和(自身を含む): 767361600

約数和(自身を除く): 146967505

約数列:

[1, 5, 61, 71, 305, 355, 4331, 21655, 28649, 143245, 1747589, 2034079, 8737945, 10170395, 124078819, 620394095]

約数ペア:

[(1, 620394095), (5, 124078819), (61, 10170395), (71, 8737945), (305, 2034079), (355, 1747589), (4331, 143245), (21655, 28649)]