13925975

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 21712896

約数和(自身を除く): 7786921

約数列:

[1, 5, 7, 17, 25, 31, 35, 85, 119, 151, 155, 175, 217, 425, 527, 595, 755, 775, 1057, 1085, 2567, 2635, 2975, 3689, 3775, 4681, 5285, 5425, 12835, 13175, 17969, 18445, 23405, 26425, 32767, 64175, 79577, 89845, 92225, 117025, 163835, 397885, 449225, 557039, 819175, 1989425, 2785195, 13925975]

約数ペア:

[(1, 13925975), (5, 2785195), (7, 1989425), (17, 819175), (25, 557039), (31, 449225), (35, 397885), (85, 163835), (119, 117025), (151, 92225), (155, 89845), (175, 79577), (217, 64175), (425, 32767), (527, 26425), (595, 23405), (755, 18445), (775, 17969), (1057, 13175), (1085, 12835), (2567, 5425), (2635, 5285), (2975, 4681), (3689, 3775)]