78487868

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{379}}^1\times {\mathrm{2251}}^1$

素因数の和:2657

約数の個数: 24

約数和(自身を含む): 143767680

約数和(自身を除く): 65279812

約数列:

[1, 2, 4, 23, 46, 92, 379, 758, 1516, 2251, 4502, 8717, 9004, 17434, 34868, 51773, 103546, 207092, 853129, 1706258, 3412516, 19621967, 39243934, 78487868]

約数ペア:

[(1, 78487868), (2, 39243934), (4, 19621967), (23, 3412516), (46, 1706258), (92, 853129), (379, 207092), (758, 103546), (1516, 51773), (2251, 34868), (4502, 17434), (8717, 9004)]