28161504

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:313

約数の個数: 144

約数和(自身を含む): 93431520

約数和(自身を除く): 65270016

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 61, 63, 72, 84, 96, 112, 122, 126, 144, 168, 183, 224, 229, 244, 252, 288, 336, 366, 427, 458, 488, 504, 549, 672, 687, 732, 854, 916, 976, 1008, 1098, 1281, 1374, 1464, 1603, 1708, 1832, 1952, 2016, 2061, 2196, 2562, 2748, 2928, 3206, 3416, 3664, 3843, 4122, 4392, 4809, 5124, 5496, 5856, 6412, 6832, 7328, 7686, 8244, 8784, 9618, 10248, 10992, 12824, 13664, 13969, 14427, 15372, 16488, 17568, 19236, 20496, 21984, 25648, 27938, 28854, 30744, 32976, 38472, 40992, 41907, 51296, 55876, 57708, 61488, 65952, 76944, 83814, 97783, 111752, 115416, 122976, 125721, 153888, 167628, 195566, 223504, 230832, 251442, 293349, 335256, 391132, 447008, 461664, 502884, 586698, 670512, 782264, 880047, 1005768, 1173396, 1341024, 1564528, 1760094, 2011536, 2346792, 3129056, 3520188, 4023072, 4693584, 7040376, 9387168, 14080752, 28161504]

約数ペア:

[(1, 28161504), (2, 14080752), (3, 9387168), (4, 7040376), (6, 4693584), (7, 4023072), (8, 3520188), (9, 3129056), (12, 2346792), (14, 2011536), (16, 1760094), (18, 1564528), (21, 1341024), (24, 1173396), (28, 1005768), (32, 880047), (36, 782264), (42, 670512), (48, 586698), (56, 502884), (61, 461664), (63, 447008), (72, 391132), (84, 335256), (96, 293349), (112, 251442), (122, 230832), (126, 223504), (144, 195566), (168, 167628), (183, 153888), (224, 125721), (229, 122976), (244, 115416), (252, 111752), (288, 97783), (336, 83814), (366, 76944), (427, 65952), (458, 61488), (488, 57708), (504, 55876), (549, 51296), (672, 41907), (687, 40992), (732, 38472), (854, 32976), (916, 30744), (976, 28854), (1008, 27938), (1098, 25648), (1281, 21984), (1374, 20496), (1464, 19236), (1603, 17568), (1708, 16488), (1832, 15372), (1952, 14427), (2016, 13969), (2061, 13664), (2196, 12824), (2562, 10992), (2748, 10248), (2928, 9618), (3206, 8784), (3416, 8244), (3664, 7686), (3843, 7328), (4122, 6832), (4392, 6412), (4809, 5856), (5124, 5496)]