78289912

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{251}}^1\times {\mathrm{307}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 149022720

約数和(自身を除く): 70732808

約数列:

[1, 2, 4, 8, 127, 251, 254, 307, 502, 508, 614, 1004, 1016, 1228, 2008, 2456, 31877, 38989, 63754, 77057, 77978, 127508, 154114, 155956, 255016, 308228, 311912, 616456, 9786239, 19572478, 39144956, 78289912]

約数ペア:

[(1, 78289912), (2, 39144956), (4, 19572478), (8, 9786239), (127, 616456), (251, 311912), (254, 308228), (307, 255016), (502, 155956), (508, 154114), (614, 127508), (1004, 77978), (1016, 77057), (1228, 63754), (2008, 38989), (2456, 31877)]