42378416

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{449}}^1$

素因数の和:821

約数の個数: 40

約数和(自身を含む): 87382800

約数和(自身を除く): 45004384

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 347, 449, 694, 898, 1388, 1796, 2776, 3592, 5552, 5899, 7184, 7633, 11798, 15266, 23596, 30532, 47192, 61064, 94384, 122128, 155803, 311606, 623212, 1246424, 2492848, 2648651, 5297302, 10594604, 21189208, 42378416]

約数ペア:

[(1, 42378416), (2, 21189208), (4, 10594604), (8, 5297302), (16, 2648651), (17, 2492848), (34, 1246424), (68, 623212), (136, 311606), (272, 155803), (347, 122128), (449, 94384), (694, 61064), (898, 47192), (1388, 30532), (1796, 23596), (2776, 15266), (3592, 11798), (5552, 7633), (5899, 7184)]