81379454

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{6971}}^1$

素因数の和:7435

約数の個数: 16

約数和(自身を含む): 131770800

約数和(自身を除く): 50391346

約数列:

[1, 2, 13, 26, 449, 898, 5837, 6971, 11674, 13942, 90623, 181246, 3129979, 6259958, 40689727, 81379454]

約数ペア:

[(1, 81379454), (2, 40689727), (13, 6259958), (26, 3129979), (449, 181246), (898, 90623), (5837, 13942), (6971, 11674)]