66704590

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{42487}}^1$

素因数の和:42651

約数の個数: 16

約数和(自身を含む): 120835872

約数和(自身を除く): 54131282

約数列:

[1, 2, 5, 10, 157, 314, 785, 1570, 42487, 84974, 212435, 424870, 6670459, 13340918, 33352295, 66704590]

約数ペア:

[(1, 66704590), (2, 33352295), (5, 13340918), (10, 6670459), (157, 424870), (314, 212435), (785, 84974), (1570, 42487)]