217573716

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^2$

素因数の和:289

約数の個数: 72

約数和(自身を含む): 536651136

約数和(自身を除く): 319077420

約数列:

[1, 2, 3, 4, 6, 12, 41, 47, 82, 94, 97, 123, 141, 164, 188, 194, 246, 282, 291, 388, 492, 564, 582, 1164, 1927, 3854, 3977, 4559, 5781, 7708, 7954, 9118, 9409, 11562, 11931, 13677, 15908, 18236, 18818, 23124, 23862, 27354, 28227, 37636, 47724, 54708, 56454, 112908, 186919, 373838, 385769, 442223, 560757, 747676, 771538, 884446, 1121514, 1157307, 1326669, 1543076, 1768892, 2243028, 2314614, 2653338, 4629228, 5306676, 18131143, 36262286, 54393429, 72524572, 108786858, 217573716]

約数ペア:

[(1, 217573716), (2, 108786858), (3, 72524572), (4, 54393429), (6, 36262286), (12, 18131143), (41, 5306676), (47, 4629228), (82, 2653338), (94, 2314614), (97, 2243028), (123, 1768892), (141, 1543076), (164, 1326669), (188, 1157307), (194, 1121514), (246, 884446), (282, 771538), (291, 747676), (388, 560757), (492, 442223), (564, 385769), (582, 373838), (1164, 186919), (1927, 112908), (3854, 56454), (3977, 54708), (4559, 47724), (5781, 37636), (7708, 28227), (7954, 27354), (9118, 23862), (9409, 23124), (11562, 18818), (11931, 18236), (13677, 15908)]