281049032

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:351

約数の個数: 96

約数和(自身を含む): 627311520

約数和(自身を除く): 346262488

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 43, 44, 68, 86, 88, 136, 172, 187, 257, 289, 344, 374, 473, 514, 578, 731, 748, 946, 1028, 1156, 1462, 1496, 1892, 2056, 2312, 2827, 2924, 3179, 3784, 4369, 5654, 5848, 6358, 8041, 8738, 11051, 11308, 12427, 12716, 16082, 17476, 22102, 22616, 24854, 25432, 32164, 34952, 44204, 48059, 49708, 64328, 74273, 88408, 96118, 99416, 121561, 136697, 148546, 187867, 192236, 243122, 273394, 297092, 375734, 384472, 486244, 546788, 594184, 751468, 817003, 972488, 1093576, 1502936, 1634006, 2066537, 3193739, 3268012, 4133074, 6387478, 6536024, 8266148, 12774956, 16532296, 25549912, 35131129, 70262258, 140524516, 281049032]

約数ペア:

[(1, 281049032), (2, 140524516), (4, 70262258), (8, 35131129), (11, 25549912), (17, 16532296), (22, 12774956), (34, 8266148), (43, 6536024), (44, 6387478), (68, 4133074), (86, 3268012), (88, 3193739), (136, 2066537), (172, 1634006), (187, 1502936), (257, 1093576), (289, 972488), (344, 817003), (374, 751468), (473, 594184), (514, 546788), (578, 486244), (731, 384472), (748, 375734), (946, 297092), (1028, 273394), (1156, 243122), (1462, 192236), (1496, 187867), (1892, 148546), (2056, 136697), (2312, 121561), (2827, 99416), (2924, 96118), (3179, 88408), (3784, 74273), (4369, 64328), (5654, 49708), (5848, 48059), (6358, 44204), (8041, 34952), (8738, 32164), (11051, 25432), (11308, 24854), (12427, 22616), (12716, 22102), (16082, 17476)]