977168

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{389}}^1$

素因数の和:554

約数の個数: 20

約数和(自身を含む): 1910220

約数和(自身を除く): 933052

約数列:

[1, 2, 4, 8, 16, 157, 314, 389, 628, 778, 1256, 1556, 2512, 3112, 6224, 61073, 122146, 244292, 488584, 977168]

約数ペア:

[(1, 977168), (2, 488584), (4, 244292), (8, 122146), (16, 61073), (157, 6224), (314, 3112), (389, 2512), (628, 1556), (778, 1256)]