25757516

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 51093504

約数和(自身を除く): 25335988

約数列:

[1, 2, 4, 17, 23, 34, 43, 46, 68, 86, 92, 172, 383, 391, 731, 766, 782, 989, 1462, 1532, 1564, 1978, 2924, 3956, 6511, 8809, 13022, 16469, 16813, 17618, 26044, 32938, 33626, 35236, 65876, 67252, 149753, 279973, 299506, 378787, 559946, 599012, 757574, 1119892, 1515148, 6439379, 12878758, 25757516]

約数ペア:

[(1, 25757516), (2, 12878758), (4, 6439379), (17, 1515148), (23, 1119892), (34, 757574), (43, 599012), (46, 559946), (68, 378787), (86, 299506), (92, 279973), (172, 149753), (383, 67252), (391, 65876), (731, 35236), (766, 33626), (782, 32938), (989, 26044), (1462, 17618), (1532, 16813), (1564, 16469), (1978, 13022), (2924, 8809), (3956, 6511)]