72840070

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{428471}}^1$

素因数の和:428495

約数の個数: 16

約数和(自身を含む): 138824928

約数和(自身を除く): 65984858

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 428471, 856942, 2142355, 4284710, 7284007, 14568014, 36420035, 72840070]

約数ペア:

[(1, 72840070), (2, 36420035), (5, 14568014), (10, 7284007), (17, 4284710), (34, 2142355), (85, 856942), (170, 428471)]