64637018

素因数分解:

$2^1\times {\mathrm{251}}^1\times {\mathrm{331}}^1\times {\mathrm{389}}^1$

素因数の和:973

約数の個数: 16

約数和(自身を含む): 97886880

約数和(自身を除く): 33249862

約数列:

[1, 2, 251, 331, 389, 502, 662, 778, 83081, 97639, 128759, 166162, 195278, 257518, 32318509, 64637018]

約数ペア:

[(1, 64637018), (2, 32318509), (251, 257518), (331, 195278), (389, 166162), (502, 128759), (662, 97639), (778, 83081)]