209702015

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{919}}^1\times {\mathrm{971}}^1$

素因数の和:1942

約数の個数: 16

約数和(自身を含む): 257541120

約数和(自身を除く): 47839105

約数列:

[1, 5, 47, 235, 919, 971, 4595, 4855, 43193, 45637, 215965, 228185, 892349, 4461745, 41940403, 209702015]

約数ペア:

[(1, 209702015), (5, 41940403), (47, 4461745), (235, 892349), (919, 228185), (971, 215965), (4595, 45637), (4855, 43193)]