38972857

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1567}}^1$

素因数の和:1621

約数の個数: 32

約数和(自身を含む): 54190080

約数和(自身を除く): 15217223

約数列:

[1, 7, 11, 17, 19, 77, 119, 133, 187, 209, 323, 1309, 1463, 1567, 2261, 3553, 10969, 17237, 24871, 26639, 29773, 120659, 186473, 208411, 293029, 327503, 506141, 2051203, 2292521, 3542987, 5567551, 38972857]

約数ペア:

[(1, 38972857), (7, 5567551), (11, 3542987), (17, 2292521), (19, 2051203), (77, 506141), (119, 327503), (133, 293029), (187, 208411), (209, 186473), (323, 120659), (1309, 29773), (1463, 26639), (1567, 24871), (2261, 17237), (3553, 10969)]