71461975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 101493504

約数和(自身を除く): 30031529

約数列:

[1, 5, 13, 25, 31, 41, 65, 155, 173, 205, 325, 403, 533, 775, 865, 1025, 1271, 2015, 2249, 2665, 4325, 5363, 6355, 7093, 10075, 11245, 13325, 16523, 26815, 31775, 35465, 56225, 69719, 82615, 92209, 134075, 177325, 219883, 348595, 413075, 461045, 1099415, 1742975, 2305225, 2858479, 5497075, 14292395, 71461975]

約数ペア:

[(1, 71461975), (5, 14292395), (13, 5497075), (25, 2858479), (31, 2305225), (41, 1742975), (65, 1099415), (155, 461045), (173, 413075), (205, 348595), (325, 219883), (403, 177325), (533, 134075), (775, 92209), (865, 82615), (1025, 69719), (1271, 56225), (2015, 35465), (2249, 31775), (2665, 26815), (4325, 16523), (5363, 13325), (6355, 11245), (7093, 10075)]