28696978

素因数分解:

$2^1\times {\mathrm{37}}^2\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:346

約数の個数: 24

約数和(自身を含む): 45384192

約数和(自身を除く): 16687214

約数列:

[1, 2, 37, 47, 74, 94, 223, 446, 1369, 1739, 2738, 3478, 8251, 10481, 16502, 20962, 64343, 128686, 305287, 387797, 610574, 775594, 14348489, 28696978]

約数ペア:

[(1, 28696978), (2, 14348489), (37, 775594), (47, 610574), (74, 387797), (94, 305287), (223, 128686), (446, 64343), (1369, 20962), (1739, 16502), (2738, 10481), (3478, 8251)]