218851812

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{541}}^1\times {\mathrm{661}}^1$

素因数の和:1229

約数の個数: 72

約数和(自身を含む): 587720952

約数和(自身を除く): 368869140

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 541, 612, 661, 1082, 1322, 1623, 1983, 2164, 2644, 3246, 3966, 4869, 5949, 6492, 7932, 9197, 9738, 11237, 11898, 18394, 19476, 22474, 23796, 27591, 33711, 36788, 44948, 55182, 67422, 82773, 101133, 110364, 134844, 165546, 202266, 331092, 357601, 404532, 715202, 1072803, 1430404, 2145606, 3218409, 4291212, 6079217, 6436818, 12158434, 12873636, 18237651, 24316868, 36475302, 54712953, 72950604, 109425906, 218851812]

約数ペア:

[(1, 218851812), (2, 109425906), (3, 72950604), (4, 54712953), (6, 36475302), (9, 24316868), (12, 18237651), (17, 12873636), (18, 12158434), (34, 6436818), (36, 6079217), (51, 4291212), (68, 3218409), (102, 2145606), (153, 1430404), (204, 1072803), (306, 715202), (541, 404532), (612, 357601), (661, 331092), (1082, 202266), (1322, 165546), (1623, 134844), (1983, 110364), (2164, 101133), (2644, 82773), (3246, 67422), (3966, 55182), (4869, 44948), (5949, 36788), (6492, 33711), (7932, 27591), (9197, 23796), (9738, 22474), (11237, 19476), (11898, 18394)]