78325628

素因数分解:

$2^2\times {\mathrm{223}}^1\times {\mathrm{277}}^1\times {\mathrm{317}}^1$

素因数の和:821

約数の個数: 24

約数和(自身を含む): 138617472

約数和(自身を除く): 60291844

約数列:

[1, 2, 4, 223, 277, 317, 446, 554, 634, 892, 1108, 1268, 61771, 70691, 87809, 123542, 141382, 175618, 247084, 282764, 351236, 19581407, 39162814, 78325628]

約数ペア:

[(1, 78325628), (2, 39162814), (4, 19581407), (223, 351236), (277, 282764), (317, 247084), (446, 175618), (554, 141382), (634, 123542), (892, 87809), (1108, 70691), (1268, 61771)]