64401985

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{3469}}^1$

素因数の和:3600

約数の個数: 16

約数和(自身を含む): 79948800

約数和(自身を除く): 15546815

約数列:

[1, 5, 47, 79, 235, 395, 3469, 3713, 17345, 18565, 163043, 274051, 815215, 1370255, 12880397, 64401985]

約数ペア:

[(1, 64401985), (5, 12880397), (47, 1370255), (79, 815215), (235, 274051), (395, 163043), (3469, 18565), (3713, 17345)]