81559724

素因数分解:

$2^2\times {\mathrm{229}}^1\times {\mathrm{269}}^1\times {\mathrm{331}}^1$

素因数の和:833

約数の個数: 24

約数和(自身を含む): 144320400

約数和(自身を除く): 62760676

約数列:

[1, 2, 4, 229, 269, 331, 458, 538, 662, 916, 1076, 1324, 61601, 75799, 89039, 123202, 151598, 178078, 246404, 303196, 356156, 20389931, 40779862, 81559724]

約数ペア:

[(1, 81559724), (2, 40779862), (4, 20389931), (229, 356156), (269, 303196), (331, 246404), (458, 178078), (538, 151598), (662, 123202), (916, 89039), (1076, 75799), (1324, 61601)]