389244428

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{461}}^1\times {\mathrm{4909}}^1$

素因数の和:5417

約数の個数: 24

約数和(自身を含む): 698673360

約数和(自身を除く): 309428932

約数列:

[1, 2, 4, 43, 86, 172, 461, 922, 1844, 4909, 9818, 19636, 19823, 39646, 79292, 211087, 422174, 844348, 2263049, 4526098, 9052196, 97311107, 194622214, 389244428]

約数ペア:

[(1, 389244428), (2, 194622214), (4, 97311107), (43, 9052196), (86, 4526098), (172, 2263049), (461, 844348), (922, 422174), (1844, 211087), (4909, 79292), (9818, 39646), (19636, 19823)]