399371944

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{44533}}^1$

素因数の和:44617

約数の個数: 32

約数和(自身を含む): 801612000

約数和(自身を除く): 402240056

約数列:

[1, 2, 4, 8, 19, 38, 59, 76, 118, 152, 236, 472, 1121, 2242, 4484, 8968, 44533, 89066, 178132, 356264, 846127, 1692254, 2627447, 3384508, 5254894, 6769016, 10509788, 21019576, 49921493, 99842986, 199685972, 399371944]

約数ペア:

[(1, 399371944), (2, 199685972), (4, 99842986), (8, 49921493), (19, 21019576), (38, 10509788), (59, 6769016), (76, 5254894), (118, 3384508), (152, 2627447), (236, 1692254), (472, 846127), (1121, 356264), (2242, 178132), (4484, 89066), (8968, 44533)]