78920765

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{571}}^1$

素因数の和:953

約数の個数: 32

約数和(自身を含む): 118609920

約数和(自身を除く): 39689155

約数列:

[1, 5, 7, 11, 35, 55, 77, 359, 385, 571, 1795, 2513, 2855, 3949, 3997, 6281, 12565, 19745, 19985, 27643, 31405, 43967, 138215, 204989, 219835, 1024945, 1434923, 2254879, 7174615, 11274395, 15784153, 78920765]

約数ペア:

[(1, 78920765), (5, 15784153), (7, 11274395), (11, 7174615), (35, 2254879), (55, 1434923), (77, 1024945), (359, 219835), (385, 204989), (571, 138215), (1795, 43967), (2513, 31405), (2855, 27643), (3949, 19985), (3997, 19745), (6281, 12565)]