258869806

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{431}}^1\times {\mathrm{1777}}^1$

素因数の和:2236

約数の個数: 24

約数和(自身を含む): 421684704

約数和(自身を除く): 162814898

約数列:

[1, 2, 13, 26, 169, 338, 431, 862, 1777, 3554, 5603, 11206, 23101, 46202, 72839, 145678, 300313, 600626, 765887, 1531774, 9956531, 19913062, 129434903, 258869806]

約数ペア:

[(1, 258869806), (2, 129434903), (13, 19913062), (26, 9956531), (169, 1531774), (338, 765887), (431, 600626), (862, 300313), (1777, 145678), (3554, 72839), (5603, 46202), (11206, 23101)]