217243670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{43711}}^1$

素因数の和:43796

約数の個数: 32

約数和(自身を含む): 453206016

約数和(自身を除く): 235962346

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 43711, 87422, 218555, 305977, 437110, 611954, 1529885, 3059770, 3103481, 6206962, 15517405, 21724367, 31034810, 43448734, 108621835, 217243670]

約数ペア:

[(1, 217243670), (2, 108621835), (5, 43448734), (7, 31034810), (10, 21724367), (14, 15517405), (35, 6206962), (70, 3103481), (71, 3059770), (142, 1529885), (355, 611954), (497, 437110), (710, 305977), (994, 218555), (2485, 87422), (4970, 43711)]