28661728

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:152

約数の個数: 96

約数和(自身を含む): 65318400

約数和(自身を除く): 36656672

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 47, 59, 68, 76, 94, 118, 136, 152, 188, 236, 272, 304, 323, 376, 472, 544, 608, 646, 752, 799, 893, 944, 1003, 1121, 1292, 1504, 1598, 1786, 1888, 2006, 2242, 2584, 2773, 3196, 3572, 4012, 4484, 5168, 5546, 6392, 7144, 8024, 8968, 10336, 11092, 12784, 14288, 15181, 16048, 17936, 19057, 22184, 25568, 28576, 30362, 32096, 35872, 38114, 44368, 47141, 52687, 60724, 76228, 88736, 94282, 105374, 121448, 152456, 188564, 210748, 242896, 304912, 377128, 421496, 485792, 609824, 754256, 842992, 895679, 1508512, 1685984, 1791358, 3582716, 7165432, 14330864, 28661728]

約数ペア:

[(1, 28661728), (2, 14330864), (4, 7165432), (8, 3582716), (16, 1791358), (17, 1685984), (19, 1508512), (32, 895679), (34, 842992), (38, 754256), (47, 609824), (59, 485792), (68, 421496), (76, 377128), (94, 304912), (118, 242896), (136, 210748), (152, 188564), (188, 152456), (236, 121448), (272, 105374), (304, 94282), (323, 88736), (376, 76228), (472, 60724), (544, 52687), (608, 47141), (646, 44368), (752, 38114), (799, 35872), (893, 32096), (944, 30362), (1003, 28576), (1121, 25568), (1292, 22184), (1504, 19057), (1598, 17936), (1786, 16048), (1888, 15181), (2006, 14288), (2242, 12784), (2584, 11092), (2773, 10336), (3196, 8968), (3572, 8024), (4012, 7144), (4484, 6392), (5168, 5546)]