389365454

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{20521}}^1$

素因数の和:20755

約数の個数: 16

約数和(自身を含む): 598421520

約数和(自身を除く): 209056066

約数列:

[1, 2, 53, 106, 179, 358, 9487, 18974, 20521, 41042, 1087613, 2175226, 3673259, 7346518, 194682727, 389365454]

約数ペア:

[(1, 389365454), (2, 194682727), (53, 7346518), (106, 3673259), (179, 2175226), (358, 1087613), (9487, 41042), (18974, 20521)]