639297376

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{227}}^1$

素因数の和:452

約数の個数: 96

約数和(自身を含む): 1389975552

約数和(自身を除く): 750678176

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 68, 124, 136, 167, 227, 248, 272, 334, 454, 496, 527, 544, 668, 908, 992, 1054, 1336, 1816, 2108, 2672, 2839, 3632, 3859, 4216, 5177, 5344, 5678, 7037, 7264, 7718, 8432, 10354, 11356, 14074, 15436, 16864, 20708, 22712, 28148, 30872, 37909, 41416, 45424, 56296, 61744, 75818, 82832, 88009, 90848, 112592, 119629, 123488, 151636, 165664, 176018, 225184, 239258, 303272, 352036, 478516, 606544, 644453, 704072, 957032, 1175179, 1213088, 1288906, 1408144, 1914064, 2350358, 2577812, 2816288, 3828128, 4700716, 5155624, 9401432, 10311248, 18802864, 19978043, 20622496, 37605728, 39956086, 79912172, 159824344, 319648688, 639297376]

約数ペア:

[(1, 639297376), (2, 319648688), (4, 159824344), (8, 79912172), (16, 39956086), (17, 37605728), (31, 20622496), (32, 19978043), (34, 18802864), (62, 10311248), (68, 9401432), (124, 5155624), (136, 4700716), (167, 3828128), (227, 2816288), (248, 2577812), (272, 2350358), (334, 1914064), (454, 1408144), (496, 1288906), (527, 1213088), (544, 1175179), (668, 957032), (908, 704072), (992, 644453), (1054, 606544), (1336, 478516), (1816, 352036), (2108, 303272), (2672, 239258), (2839, 225184), (3632, 176018), (3859, 165664), (4216, 151636), (5177, 123488), (5344, 119629), (5678, 112592), (7037, 90848), (7264, 88009), (7718, 82832), (8432, 75818), (10354, 61744), (11356, 56296), (14074, 45424), (15436, 41416), (16864, 37909), (20708, 30872), (22712, 28148)]