64714825

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 96501760

約数和(自身を除く): 31786935

約数列:

[1, 5, 7, 25, 31, 35, 79, 151, 155, 175, 217, 395, 553, 755, 775, 1057, 1085, 1975, 2449, 2765, 3775, 4681, 5285, 5425, 11929, 12245, 13825, 17143, 23405, 26425, 32767, 59645, 61225, 83503, 85715, 117025, 163835, 298225, 369799, 417515, 428575, 819175, 1848995, 2087575, 2588593, 9244975, 12942965, 64714825]

約数ペア:

[(1, 64714825), (5, 12942965), (7, 9244975), (25, 2588593), (31, 2087575), (35, 1848995), (79, 819175), (151, 428575), (155, 417515), (175, 369799), (217, 298225), (395, 163835), (553, 117025), (755, 85715), (775, 83503), (1057, 61225), (1085, 59645), (1975, 32767), (2449, 26425), (2765, 23405), (3775, 17143), (4681, 13825), (5285, 12245), (5425, 11929)]