289756984

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{39671}}^1$

素因数の和:39771

約数の個数: 32

約数和(自身を含む): 599840640

約数和(自身を除く): 310083656

約数列:

[1, 2, 4, 8, 11, 22, 44, 83, 88, 166, 332, 664, 913, 1826, 3652, 7304, 39671, 79342, 158684, 317368, 436381, 872762, 1745524, 3292693, 3491048, 6585386, 13170772, 26341544, 36219623, 72439246, 144878492, 289756984]

約数ペア:

[(1, 289756984), (2, 144878492), (4, 72439246), (8, 36219623), (11, 26341544), (22, 13170772), (44, 6585386), (83, 3491048), (88, 3292693), (166, 1745524), (332, 872762), (664, 436381), (913, 317368), (1826, 158684), (3652, 79342), (7304, 39671)]