64029890

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1\times {\mathrm{421}}^1$

素因数の和:722

約数の個数: 32

約数和(自身を含む): 117768384

約数和(自身を除く): 53738494

約数列:

[1, 2, 5, 10, 67, 134, 227, 335, 421, 454, 670, 842, 1135, 2105, 2270, 4210, 15209, 28207, 30418, 56414, 76045, 95567, 141035, 152090, 191134, 282070, 477835, 955670, 6402989, 12805978, 32014945, 64029890]

約数ペア:

[(1, 64029890), (2, 32014945), (5, 12805978), (10, 6402989), (67, 955670), (134, 477835), (227, 282070), (335, 191134), (421, 152090), (454, 141035), (670, 95567), (842, 76045), (1135, 56414), (2105, 30418), (2270, 28207), (4210, 15209)]