668590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:196

約数の個数: 32

約数和(自身を含む): 1340640

約数和(自身を除く): 672050

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 139, 185, 278, 370, 481, 695, 962, 1390, 1807, 2405, 3614, 4810, 5143, 9035, 10286, 18070, 25715, 51430, 66859, 133718, 334295, 668590]

約数ペア:

[(1, 668590), (2, 334295), (5, 133718), (10, 66859), (13, 51430), (26, 25715), (37, 18070), (65, 10286), (74, 9035), (130, 5143), (139, 4810), (185, 3614), (278, 2405), (370, 1807), (481, 1390), (695, 962)]