201715405

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{10139}}^1$

素因数の和:10340

約数の個数: 16

約数和(自身を含む): 254067840

約数和(自身を除く): 52352435

約数列:

[1, 5, 23, 115, 173, 865, 3979, 10139, 19895, 50695, 233197, 1165985, 1754047, 8770235, 40343081, 201715405]

約数ペア:

[(1, 201715405), (5, 40343081), (23, 8770235), (115, 1754047), (173, 1165985), (865, 233197), (3979, 50695), (10139, 19895)]