1657383845

素因数分解:

$5^1\times {\mathrm{13}}^3\times {\mathrm{31}}^2\times {\mathrm{157}}^1$

素因数の和:263

約数の個数: 48

約数和(自身を含む): 2240446320

約数和(自身を除く): 583062475

約数列:

[1, 5, 13, 31, 65, 155, 157, 169, 403, 785, 845, 961, 2015, 2041, 2197, 4805, 4867, 5239, 10205, 10985, 12493, 24335, 26195, 26533, 62465, 63271, 68107, 132665, 150877, 162409, 316355, 340535, 344929, 754385, 812045, 822523, 1724645, 1961401, 2111317, 4112615, 9807005, 10556585, 10692799, 25498213, 53463995, 127491065, 331476769, 1657383845]

約数ペア:

[(1, 1657383845), (5, 331476769), (13, 127491065), (31, 53463995), (65, 25498213), (155, 10692799), (157, 10556585), (169, 9807005), (403, 4112615), (785, 2111317), (845, 1961401), (961, 1724645), (2015, 822523), (2041, 812045), (2197, 754385), (4805, 344929), (4867, 340535), (5239, 316355), (10205, 162409), (10985, 150877), (12493, 132665), (24335, 68107), (26195, 63271), (26533, 62465)]