209465264

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{422309}}^1$

素因数の和:422348

約数の個数: 20

約数和(自身を含む): 418931520

約数和(自身を除く): 209466256

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 422309, 844618, 1689236, 3378472, 6756944, 13091579, 26183158, 52366316, 104732632, 209465264]

約数ペア:

[(1, 209465264), (2, 104732632), (4, 52366316), (8, 26183158), (16, 13091579), (31, 6756944), (62, 3378472), (124, 1689236), (248, 844618), (496, 422309)]