12942965

素因数分解:

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

素因数の和:273

約数の個数: 32

約数和(自身を含む): 18677760

約数和(自身を除く): 5734795

約数列:

[1, 5, 7, 31, 35, 79, 151, 155, 217, 395, 553, 755, 1057, 1085, 2449, 2765, 4681, 5285, 11929, 12245, 17143, 23405, 32767, 59645, 83503, 85715, 163835, 369799, 417515, 1848995, 2588593, 12942965]

約数ペア:

[(1, 12942965), (5, 2588593), (7, 1848995), (31, 417515), (35, 369799), (79, 163835), (151, 85715), (155, 83503), (217, 59645), (395, 32767), (553, 23405), (755, 17143), (1057, 12245), (1085, 11929), (2449, 5285), (2765, 4681)]