72991390

素因数分解:

$2^1\times 5^1\times {\mathrm{1709}}^1\times {\mathrm{4271}}^1$

素因数の和:5987

約数の個数: 16

約数和(自身を含む): 131492160

約数和(自身を除く): 58500770

約数列:

[1, 2, 5, 10, 1709, 3418, 4271, 8542, 8545, 17090, 21355, 42710, 7299139, 14598278, 36495695, 72991390]

約数ペア:

[(1, 72991390), (2, 36495695), (5, 14598278), (10, 7299139), (1709, 42710), (3418, 21355), (4271, 17090), (8542, 8545)]