291220816

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{204509}}^1$

素因数の和:204606

約数の個数: 20

約数和(自身を含む): 570582900

約数和(自身を除く): 279362084

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 204509, 409018, 818036, 1636072, 3272144, 18201301, 36402602, 72805204, 145610408, 291220816]

約数ペア:

[(1, 291220816), (2, 145610408), (4, 72805204), (8, 36402602), (16, 18201301), (89, 3272144), (178, 1636072), (356, 818036), (712, 409018), (1424, 204509)]