16857290

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 31363200

約数和(自身を除く): 14505910

約数列:

[1, 2, 5, 10, 43, 86, 197, 199, 215, 394, 398, 430, 985, 995, 1970, 1990, 8471, 8557, 16942, 17114, 39203, 42355, 42785, 78406, 84710, 85570, 196015, 392030, 1685729, 3371458, 8428645, 16857290]

約数ペア:

[(1, 16857290), (2, 8428645), (5, 3371458), (10, 1685729), (43, 392030), (86, 196015), (197, 85570), (199, 84710), (215, 78406), (394, 42785), (398, 42355), (430, 39203), (985, 17114), (995, 16942), (1970, 8557), (1990, 8471)]