1215561385

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{556321}}^1$

素因数の和:556368

約数の個数: 16

約数和(自身を含む): 1602207360

約数和(自身を除く): 386645975

約数列:

[1, 5, 19, 23, 95, 115, 437, 2185, 556321, 2781605, 10570099, 12795383, 52850495, 63976915, 243112277, 1215561385]

約数ペア:

[(1, 1215561385), (5, 243112277), (19, 63976915), (23, 52850495), (95, 12795383), (115, 10570099), (437, 2781605), (2185, 556321)]