647401412

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1360087}}^1$

素因数の和:1360115

約数の個数: 24

約数和(自身を含む): 1370968704

約数和(自身を除く): 723567292

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 1360087, 2720174, 5440348, 9520609, 19041218, 23121479, 38082436, 46242958, 92485916, 161850353, 323700706, 647401412]

約数ペア:

[(1, 647401412), (2, 323700706), (4, 161850353), (7, 92485916), (14, 46242958), (17, 38082436), (28, 23121479), (34, 19041218), (68, 9520609), (119, 5440348), (238, 2720174), (476, 1360087)]