490639105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{387857}}^1$

素因数の和:387896

約数の個数: 16

約数和(自身を含む): 670218624

約数和(自身を除く): 179579519

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 387857, 1939285, 4266427, 8920711, 21332135, 44603555, 98127821, 490639105]

約数ペア:

[(1, 490639105), (5, 98127821), (11, 44603555), (23, 21332135), (55, 8920711), (115, 4266427), (253, 1939285), (1265, 387857)]