86287970

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{43801}}^1$

素因数の和:44005

約数の個数: 16

約数和(自身を含む): 156110328

約数和(自身を除く): 69822358

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 43801, 87602, 219005, 438010, 8628797, 17257594, 43143985, 86287970]

約数ペア:

[(1, 86287970), (2, 43143985), (5, 17257594), (10, 8628797), (197, 438010), (394, 219005), (985, 87602), (1970, 43801)]