28168558

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:249

約数の個数: 48

約数和(自身を含む): 50676192

約数和(自身を除く): 22507634

約数列:

[1, 2, 11, 17, 22, 34, 41, 82, 121, 167, 187, 242, 334, 374, 451, 697, 902, 1394, 1837, 2057, 2839, 3674, 4114, 4961, 5678, 6847, 7667, 9922, 13694, 15334, 20207, 31229, 40414, 62458, 75317, 84337, 116399, 150634, 168674, 232798, 343519, 687038, 828487, 1280389, 1656974, 2560778, 14084279, 28168558]

約数ペア:

[(1, 28168558), (2, 14084279), (11, 2560778), (17, 1656974), (22, 1280389), (34, 828487), (41, 687038), (82, 343519), (121, 232798), (167, 168674), (187, 150634), (242, 116399), (334, 84337), (374, 75317), (451, 62458), (697, 40414), (902, 31229), (1394, 20207), (1837, 15334), (2057, 13694), (2839, 9922), (3674, 7667), (4114, 6847), (4961, 5678)]