388671188

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{457}}^1\times {\mathrm{2389}}^1$

素因数の和:2939

約数の個数: 24

約数和(自身を含む): 689610600

約数和(自身を除く): 300939412

約数列:

[1, 2, 4, 89, 178, 356, 457, 914, 1828, 2389, 4778, 9556, 40673, 81346, 162692, 212621, 425242, 850484, 1091773, 2183546, 4367092, 97167797, 194335594, 388671188]

約数ペア:

[(1, 388671188), (2, 194335594), (4, 97167797), (89, 4367092), (178, 2183546), (356, 1091773), (457, 850484), (914, 425242), (1828, 212621), (2389, 162692), (4778, 81346), (9556, 40673)]