211048816

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{353}}^1$

素因数の和:494

約数の個数: 80

約数和(自身を含む): 463541760

約数和(自身を除く): 252492944

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 79, 86, 88, 158, 172, 176, 316, 344, 353, 473, 632, 688, 706, 869, 946, 1264, 1412, 1738, 1892, 2824, 3397, 3476, 3784, 3883, 5648, 6794, 6952, 7568, 7766, 13588, 13904, 15179, 15532, 27176, 27887, 30358, 31064, 37367, 54352, 55774, 60716, 62128, 74734, 111548, 121432, 149468, 166969, 223096, 242864, 298936, 306757, 333938, 446192, 597872, 613514, 667876, 1199141, 1227028, 1335752, 2398282, 2454056, 2671504, 4796564, 4908112, 9593128, 13190551, 19186256, 26381102, 52762204, 105524408, 211048816]

約数ペア:

[(1, 211048816), (2, 105524408), (4, 52762204), (8, 26381102), (11, 19186256), (16, 13190551), (22, 9593128), (43, 4908112), (44, 4796564), (79, 2671504), (86, 2454056), (88, 2398282), (158, 1335752), (172, 1227028), (176, 1199141), (316, 667876), (344, 613514), (353, 597872), (473, 446192), (632, 333938), (688, 306757), (706, 298936), (869, 242864), (946, 223096), (1264, 166969), (1412, 149468), (1738, 121432), (1892, 111548), (2824, 74734), (3397, 62128), (3476, 60716), (3784, 55774), (3883, 54352), (5648, 37367), (6794, 31064), (6952, 30358), (7568, 27887), (7766, 27176), (13588, 15532), (13904, 15179)]