40280191

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 51425280

約数和(自身を除く): 11145089

約数列:

[1, 7, 17, 31, 61, 119, 179, 217, 427, 527, 1037, 1253, 1891, 3043, 3689, 5549, 7259, 10919, 13237, 21301, 32147, 38843, 76433, 94333, 185623, 225029, 338489, 660331, 1299361, 2369423, 5754313, 40280191]

約数ペア:

[(1, 40280191), (7, 5754313), (17, 2369423), (31, 1299361), (61, 660331), (119, 338489), (179, 225029), (217, 185623), (427, 94333), (527, 76433), (1037, 38843), (1253, 32147), (1891, 21301), (3043, 13237), (3689, 10919), (5549, 7259)]