67178705

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^3\times {\mathrm{41}}^1$

素因数の和:150

約数の個数: 32

約数和(自身を含む): 93090816

約数和(自身を除く): 25912111

約数列:

[1, 5, 11, 31, 41, 55, 155, 205, 341, 451, 961, 1271, 1705, 2255, 4805, 6355, 10571, 13981, 29791, 39401, 52855, 69905, 148955, 197005, 327701, 433411, 1221431, 1638505, 2167055, 6107155, 13435741, 67178705]

約数ペア:

[(1, 67178705), (5, 13435741), (11, 6107155), (31, 2167055), (41, 1638505), (55, 1221431), (155, 433411), (205, 327701), (341, 197005), (451, 148955), (961, 69905), (1271, 52855), (1705, 39401), (2255, 29791), (4805, 13981), (6355, 10571)]