206985233

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{307}}^1$

素因数の和:597

約数の個数: 32

約数和(自身を含む): 264929280

約数和(自身を除く): 57944047

約数列:

[1, 7, 13, 31, 91, 217, 239, 307, 403, 1673, 2149, 2821, 3107, 3991, 7409, 9517, 21749, 27937, 51863, 66619, 73373, 96317, 123721, 513611, 674219, 866047, 953849, 2274563, 6676943, 15921941, 29569319, 206985233]

約数ペア:

[(1, 206985233), (7, 29569319), (13, 15921941), (31, 6676943), (91, 2274563), (217, 953849), (239, 866047), (307, 674219), (403, 513611), (1673, 123721), (2149, 96317), (2821, 73373), (3107, 66619), (3991, 51863), (7409, 27937), (9517, 21749)]