309611978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{2213}}^1\times {\mathrm{5381}}^1$

素因数の和:7609

約数の個数: 16

約数和(自身を含む): 500461416

約数和(自身を除く): 190849438

約数列:

[1, 2, 13, 26, 2213, 4426, 5381, 10762, 28769, 57538, 69953, 139906, 11908153, 23816306, 154805989, 309611978]

約数ペア:

[(1, 309611978), (2, 154805989), (13, 23816306), (26, 11908153), (2213, 139906), (4426, 69953), (5381, 57538), (10762, 28769)]