668829136

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{311}}^1\times {\mathrm{523}}^1$

素因数の和:1099

約数の個数: 40

約数和(自身を含む): 1307577024

約数和(自身を除く): 638747888

約数列:

[1, 2, 4, 8, 16, 257, 311, 514, 523, 622, 1028, 1046, 1244, 2056, 2092, 2488, 4112, 4184, 4976, 8368, 79927, 134411, 159854, 162653, 268822, 319708, 325306, 537644, 639416, 650612, 1075288, 1278832, 1301224, 2150576, 2602448, 41801821, 83603642, 167207284, 334414568, 668829136]

約数ペア:

[(1, 668829136), (2, 334414568), (4, 167207284), (8, 83603642), (16, 41801821), (257, 2602448), (311, 2150576), (514, 1301224), (523, 1278832), (622, 1075288), (1028, 650612), (1046, 639416), (1244, 537644), (2056, 325306), (2092, 319708), (2488, 268822), (4112, 162653), (4184, 159854), (4976, 134411), (8368, 79927)]