81838295

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{6857}}^1$

素因数の和:6911

約数の個数: 32

約数和(自身を含む): 126406656

約数和(自身を除く): 44568361

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 155, 217, 341, 385, 1085, 1705, 2387, 6857, 11935, 34285, 47999, 75427, 212567, 239995, 377135, 527989, 1062835, 1487969, 2338237, 2639945, 7439845, 11691185, 16367659, 81838295]

約数ペア:

[(1, 81838295), (5, 16367659), (7, 11691185), (11, 7439845), (31, 2639945), (35, 2338237), (55, 1487969), (77, 1062835), (155, 527989), (217, 377135), (341, 239995), (385, 212567), (1085, 75427), (1705, 47999), (2387, 34285), (6857, 11935)]