28472994

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{769}}^1$

素因数の和:816

約数の個数: 72

約数和(自身を含む): 71891820

約数和(自身を除く): 43418826

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 33, 34, 51, 66, 99, 102, 121, 153, 187, 198, 242, 306, 363, 374, 561, 726, 769, 1089, 1122, 1538, 1683, 2057, 2178, 2307, 3366, 4114, 4614, 6171, 6921, 8459, 12342, 13073, 13842, 16918, 18513, 25377, 26146, 37026, 39219, 50754, 76131, 78438, 93049, 117657, 143803, 152262, 186098, 235314, 279147, 287606, 431409, 558294, 837441, 862818, 1294227, 1581833, 1674882, 2588454, 3163666, 4745499, 9490998, 14236497, 28472994]

約数ペア:

[(1, 28472994), (2, 14236497), (3, 9490998), (6, 4745499), (9, 3163666), (11, 2588454), (17, 1674882), (18, 1581833), (22, 1294227), (33, 862818), (34, 837441), (51, 558294), (66, 431409), (99, 287606), (102, 279147), (121, 235314), (153, 186098), (187, 152262), (198, 143803), (242, 117657), (306, 93049), (363, 78438), (374, 76131), (561, 50754), (726, 39219), (769, 37026), (1089, 26146), (1122, 25377), (1538, 18513), (1683, 16918), (2057, 13842), (2178, 13073), (2307, 12342), (3366, 8459), (4114, 6921), (4614, 6171)]