123158456

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{810253}}^1$

素因数の和:810278

約数の個数: 16

約数和(自身を含む): 243076200

約数和(自身を除く): 119917744

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 810253, 1620506, 3241012, 6482024, 15394807, 30789614, 61579228, 123158456]

約数ペア:

[(1, 123158456), (2, 61579228), (4, 30789614), (8, 15394807), (19, 6482024), (38, 3241012), (76, 1620506), (152, 810253)]