28754752

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:168

約数の個数: 112

約数和(自身を含む): 69128640

約数和(自身を除く): 40373888

約数列:

[1, 2, 4, 8, 13, 16, 17, 19, 26, 32, 34, 38, 52, 64, 68, 76, 104, 107, 136, 152, 208, 214, 221, 247, 272, 304, 323, 416, 428, 442, 494, 544, 608, 646, 832, 856, 884, 988, 1088, 1216, 1292, 1391, 1712, 1768, 1819, 1976, 2033, 2584, 2782, 3424, 3536, 3638, 3952, 4066, 4199, 5168, 5564, 6848, 7072, 7276, 7904, 8132, 8398, 10336, 11128, 14144, 14552, 15808, 16264, 16796, 20672, 22256, 23647, 26429, 29104, 32528, 33592, 34561, 44512, 47294, 52858, 58208, 65056, 67184, 69122, 89024, 94588, 105716, 116416, 130112, 134368, 138244, 189176, 211432, 268736, 276488, 378352, 422864, 449293, 552976, 756704, 845728, 898586, 1105952, 1513408, 1691456, 1797172, 2211904, 3594344, 7188688, 14377376, 28754752]

約数ペア:

[(1, 28754752), (2, 14377376), (4, 7188688), (8, 3594344), (13, 2211904), (16, 1797172), (17, 1691456), (19, 1513408), (26, 1105952), (32, 898586), (34, 845728), (38, 756704), (52, 552976), (64, 449293), (68, 422864), (76, 378352), (104, 276488), (107, 268736), (136, 211432), (152, 189176), (208, 138244), (214, 134368), (221, 130112), (247, 116416), (272, 105716), (304, 94588), (323, 89024), (416, 69122), (428, 67184), (442, 65056), (494, 58208), (544, 52858), (608, 47294), (646, 44512), (832, 34561), (856, 33592), (884, 32528), (988, 29104), (1088, 26429), (1216, 23647), (1292, 22256), (1391, 20672), (1712, 16796), (1768, 16264), (1819, 15808), (1976, 14552), (2033, 14144), (2584, 11128), (2782, 10336), (3424, 8398), (3536, 8132), (3638, 7904), (3952, 7276), (4066, 7072), (4199, 6848), (5168, 5564)]