26988724

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{59}}^1$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 60056640

約数和(自身を除く): 33067916

約数列:

[1, 2, 4, 7, 14, 17, 28, 31, 34, 59, 62, 68, 118, 119, 124, 217, 236, 238, 413, 434, 476, 527, 826, 868, 961, 1003, 1054, 1652, 1829, 1922, 2006, 2108, 3658, 3689, 3844, 4012, 6727, 7021, 7316, 7378, 12803, 13454, 14042, 14756, 16337, 25606, 26908, 28084, 31093, 32674, 51212, 56699, 62186, 65348, 113398, 114359, 124372, 217651, 226796, 228718, 396893, 435302, 457436, 793786, 870604, 963883, 1587572, 1927766, 3855532, 6747181, 13494362, 26988724]

約数ペア:

[(1, 26988724), (2, 13494362), (4, 6747181), (7, 3855532), (14, 1927766), (17, 1587572), (28, 963883), (31, 870604), (34, 793786), (59, 457436), (62, 435302), (68, 396893), (118, 228718), (119, 226796), (124, 217651), (217, 124372), (236, 114359), (238, 113398), (413, 65348), (434, 62186), (476, 56699), (527, 51212), (826, 32674), (868, 31093), (961, 28084), (1003, 26908), (1054, 25606), (1652, 16337), (1829, 14756), (1922, 14042), (2006, 13454), (2108, 12803), (3658, 7378), (3689, 7316), (3844, 7021), (4012, 6727)]