28937376

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:219

約数の個数: 144

約数和(自身を含む): 90810720

約数和(自身を除く): 61873344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 59, 72, 78, 96, 104, 117, 118, 131, 144, 156, 177, 208, 234, 236, 262, 288, 312, 354, 393, 416, 468, 472, 524, 531, 624, 708, 767, 786, 936, 944, 1048, 1062, 1179, 1248, 1416, 1534, 1572, 1703, 1872, 1888, 2096, 2124, 2301, 2358, 2832, 3068, 3144, 3406, 3744, 4192, 4248, 4602, 4716, 5109, 5664, 6136, 6288, 6812, 6903, 7729, 8496, 9204, 9432, 10218, 12272, 12576, 13624, 13806, 15327, 15458, 16992, 18408, 18864, 20436, 23187, 24544, 27248, 27612, 30654, 30916, 36816, 37728, 40872, 46374, 54496, 55224, 61308, 61832, 69561, 73632, 81744, 92748, 100477, 110448, 122616, 123664, 139122, 163488, 185496, 200954, 220896, 245232, 247328, 278244, 301431, 370992, 401908, 490464, 556488, 602862, 741984, 803816, 904293, 1112976, 1205724, 1607632, 1808586, 2225952, 2411448, 3215264, 3617172, 4822896, 7234344, 9645792, 14468688, 28937376]

約数ペア:

[(1, 28937376), (2, 14468688), (3, 9645792), (4, 7234344), (6, 4822896), (8, 3617172), (9, 3215264), (12, 2411448), (13, 2225952), (16, 1808586), (18, 1607632), (24, 1205724), (26, 1112976), (32, 904293), (36, 803816), (39, 741984), (48, 602862), (52, 556488), (59, 490464), (72, 401908), (78, 370992), (96, 301431), (104, 278244), (117, 247328), (118, 245232), (131, 220896), (144, 200954), (156, 185496), (177, 163488), (208, 139122), (234, 123664), (236, 122616), (262, 110448), (288, 100477), (312, 92748), (354, 81744), (393, 73632), (416, 69561), (468, 61832), (472, 61308), (524, 55224), (531, 54496), (624, 46374), (708, 40872), (767, 37728), (786, 36816), (936, 30916), (944, 30654), (1048, 27612), (1062, 27248), (1179, 24544), (1248, 23187), (1416, 20436), (1534, 18864), (1572, 18408), (1703, 16992), (1872, 15458), (1888, 15327), (2096, 13806), (2124, 13624), (2301, 12576), (2358, 12272), (2832, 10218), (3068, 9432), (3144, 9204), (3406, 8496), (3744, 7729), (4192, 6903), (4248, 6812), (4602, 6288), (4716, 6136), (5109, 5664)]