78320305

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{307}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 111234816

約数和(自身を除く): 32914511

約数列:

[1, 5, 7, 35, 37, 185, 197, 259, 307, 985, 1295, 1379, 1535, 2149, 6895, 7289, 10745, 11359, 36445, 51023, 56795, 60479, 79513, 255115, 302395, 397565, 423353, 2116765, 2237723, 11188615, 15664061, 78320305]

約数ペア:

[(1, 78320305), (5, 15664061), (7, 11188615), (35, 2237723), (37, 2116765), (185, 423353), (197, 397565), (259, 302395), (307, 255115), (985, 79513), (1295, 60479), (1379, 56795), (1535, 51023), (2149, 36445), (6895, 11359), (7289, 10745)]