128287831

素因数分解:

$7^5\times {\mathrm{17}}^1\times {\mathrm{449}}^1$

素因数の和:501

約数の個数: 24

約数和(自身を含む): 158824800

約数和(自身を除く): 30536969

約数列:

[1, 7, 17, 49, 119, 343, 449, 833, 2401, 3143, 5831, 7633, 16807, 22001, 40817, 53431, 154007, 285719, 374017, 1078049, 2618119, 7546343, 18326833, 128287831]

約数ペア:

[(1, 128287831), (7, 18326833), (17, 7546343), (49, 2618119), (119, 1078049), (343, 374017), (449, 285719), (833, 154007), (2401, 53431), (3143, 40817), (5831, 22001), (7633, 16807)]