1556657963

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{5113}}^1$

素因数の和:5235

約数の個数: 32

約数和(自身を含む): 1948065792

約数和(自身を除く): 391407829

約数列:

[1, 7, 23, 31, 61, 161, 217, 427, 713, 1403, 1891, 4991, 5113, 9821, 13237, 35791, 43493, 117599, 158503, 304451, 311893, 823193, 1109521, 2183251, 3645569, 7173539, 9668683, 25518983, 50214773, 67680781, 222379709, 1556657963]

約数ペア:

[(1, 1556657963), (7, 222379709), (23, 67680781), (31, 50214773), (61, 25518983), (161, 9668683), (217, 7173539), (427, 3645569), (713, 2183251), (1403, 1109521), (1891, 823193), (4991, 311893), (5113, 304451), (9821, 158503), (13237, 117599), (35791, 43493)]