137668328

素因数分解:

$2^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{12479}}^1$

素因数の和:12689

約数の個数: 32

約数和(自身を含む): 296524800

約数和(自身を除く): 158856472

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 197, 394, 788, 1379, 1576, 2758, 5516, 11032, 12479, 24958, 49916, 87353, 99832, 174706, 349412, 698824, 2458363, 4916726, 9833452, 17208541, 19666904, 34417082, 68834164, 137668328]

約数ペア:

[(1, 137668328), (2, 68834164), (4, 34417082), (7, 19666904), (8, 17208541), (14, 9833452), (28, 4916726), (56, 2458363), (197, 698824), (394, 349412), (788, 174706), (1379, 99832), (1576, 87353), (2758, 49916), (5516, 24958), (11032, 12479)]