81232468

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{211}}^1\times {\mathrm{883}}^1$

素因数の和:1207

約数の個数: 24

約数和(自身を含む): 144304160

約数和(自身を除く): 63071692

約数列:

[1, 2, 4, 109, 211, 218, 422, 436, 844, 883, 1766, 3532, 22999, 45998, 91996, 96247, 186313, 192494, 372626, 384988, 745252, 20308117, 40616234, 81232468]

約数ペア:

[(1, 81232468), (2, 40616234), (4, 20308117), (109, 745252), (211, 384988), (218, 372626), (422, 192494), (436, 186313), (844, 96247), (883, 91996), (1766, 45998), (3532, 22999)]