2123896

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:271

約数の個数: 32

約数和(自身を含む): 4266000

約数和(自身を除く): 2142104

約数列:

[1, 2, 4, 8, 19, 38, 76, 89, 152, 157, 178, 314, 356, 628, 712, 1256, 1691, 2983, 3382, 5966, 6764, 11932, 13528, 13973, 23864, 27946, 55892, 111784, 265487, 530974, 1061948, 2123896]

約数ペア:

[(1, 2123896), (2, 1061948), (4, 530974), (8, 265487), (19, 111784), (38, 55892), (76, 27946), (89, 23864), (152, 13973), (157, 13528), (178, 11932), (314, 6764), (356, 5966), (628, 3382), (712, 2983), (1256, 1691)]