870878228

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{421121}}^1$

素因数の和:421183

約数の個数: 24

約数和(自身を含む): 1697963904

約数和(自身を除く): 827085676

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 188, 517, 1034, 2068, 421121, 842242, 1684484, 4632331, 9264662, 18529324, 19792687, 39585374, 79170748, 217719557, 435439114, 870878228]

約数ペア:

[(1, 870878228), (2, 435439114), (4, 217719557), (11, 79170748), (22, 39585374), (44, 19792687), (47, 18529324), (94, 9264662), (188, 4632331), (517, 1684484), (1034, 842242), (2068, 421121)]