51691290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1879}}^1$

素因数の和:2027

約数の個数: 64

約数和(自身を含む): 142940160

約数和(自身を除く): 91248870

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 131, 210, 262, 393, 655, 786, 917, 1310, 1834, 1879, 1965, 2751, 3758, 3930, 4585, 5502, 5637, 9170, 9395, 11274, 13153, 13755, 18790, 26306, 27510, 28185, 39459, 56370, 65765, 78918, 131530, 197295, 246149, 394590, 492298, 738447, 1230745, 1476894, 1723043, 2461490, 3446086, 3692235, 5169129, 7384470, 8615215, 10338258, 17230430, 25845645, 51691290]

約数ペア:

[(1, 51691290), (2, 25845645), (3, 17230430), (5, 10338258), (6, 8615215), (7, 7384470), (10, 5169129), (14, 3692235), (15, 3446086), (21, 2461490), (30, 1723043), (35, 1476894), (42, 1230745), (70, 738447), (105, 492298), (131, 394590), (210, 246149), (262, 197295), (393, 131530), (655, 78918), (786, 65765), (917, 56370), (1310, 39459), (1834, 28185), (1879, 27510), (1965, 26306), (2751, 18790), (3758, 13755), (3930, 13153), (4585, 11274), (5502, 9395), (5637, 9170)]