71103671890

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{17731589}}^1$

素因数の和:17731997

約数の個数: 16

約数和(自身を含む): 128305785240

約数和(自身を除く): 57202113350

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 17731589, 35463178, 88657945, 177315890, 7110367189, 14220734378, 35551835945, 71103671890]

約数ペア:

[(1, 71103671890), (2, 35551835945), (5, 14220734378), (10, 7110367189), (401, 177315890), (802, 88657945), (2005, 35463178), (4010, 17731589)]