206458421

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{179}}^1\times {\mathrm{307}}^1$

素因数の和:533

約数の個数: 24

約数和(自身を含む): 238281120

約数和(自身を除く): 31822699

約数列:

[1, 13, 17, 179, 221, 289, 307, 2327, 3043, 3757, 3991, 5219, 39559, 51731, 54953, 67847, 88723, 672503, 714389, 934201, 1153399, 12144613, 15881417, 206458421]

約数ペア:

[(1, 206458421), (13, 15881417), (17, 12144613), (179, 1153399), (221, 934201), (289, 714389), (307, 672503), (2327, 88723), (3043, 67847), (3757, 54953), (3991, 51731), (5219, 39559)]