399273146

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{2081}}^1$

素因数の和:2246

約数の個数: 32

約数和(自身を含む): 646386048

約数和(自身を除く): 247112902

約数列:

[1, 2, 23, 43, 46, 86, 97, 194, 989, 1978, 2081, 2231, 4162, 4171, 4462, 8342, 47863, 89483, 95726, 95933, 178966, 191866, 201857, 403714, 2058109, 4116218, 4642711, 8679851, 9285422, 17359702, 199636573, 399273146]

約数ペア:

[(1, 399273146), (2, 199636573), (23, 17359702), (43, 9285422), (46, 8679851), (86, 4642711), (97, 4116218), (194, 2058109), (989, 403714), (1978, 201857), (2081, 191866), (2231, 178966), (4162, 95933), (4171, 95726), (4462, 89483), (8342, 47863)]