28029484

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:155

約数の個数: 72

約数和(自身を含む): 61447680

約数和(自身を除く): 33418196

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 47, 59, 76, 94, 118, 133, 188, 236, 266, 329, 361, 413, 532, 658, 722, 826, 893, 1121, 1316, 1444, 1652, 1786, 2242, 2527, 2773, 3572, 4484, 5054, 5546, 6251, 7847, 10108, 11092, 12502, 15694, 16967, 19411, 21299, 25004, 31388, 33934, 38822, 42598, 52687, 67868, 77644, 85196, 105374, 118769, 149093, 210748, 237538, 298186, 368809, 475076, 596372, 737618, 1001053, 1475236, 2002106, 4004212, 7007371, 14014742, 28029484]

約数ペア:

[(1, 28029484), (2, 14014742), (4, 7007371), (7, 4004212), (14, 2002106), (19, 1475236), (28, 1001053), (38, 737618), (47, 596372), (59, 475076), (76, 368809), (94, 298186), (118, 237538), (133, 210748), (188, 149093), (236, 118769), (266, 105374), (329, 85196), (361, 77644), (413, 67868), (532, 52687), (658, 42598), (722, 38822), (826, 33934), (893, 31388), (1121, 25004), (1316, 21299), (1444, 19411), (1652, 16967), (1786, 15694), (2242, 12502), (2527, 11092), (2773, 10108), (3572, 7847), (4484, 6251), (5054, 5546)]