489291264016

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{387097519}}^1$

素因数の和:387097606

約数の個数: 20

約数和(自身を含む): 960001849600

約数和(自身を除く): 470710585584

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 387097519, 774195038, 1548390076, 3096780152, 6193560304, 30580704001, 61161408002, 122322816004, 244645632008, 489291264016]

約数ペア:

[(1, 489291264016), (2, 244645632008), (4, 122322816004), (8, 61161408002), (16, 30580704001), (79, 6193560304), (158, 3096780152), (316, 1548390076), (632, 774195038), (1264, 387097519)]