66467808

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{20981}}^1$

素因数の和:21008

約数の個数: 72

約数和(自身を含む): 206211096

約数和(自身を除く): 139743288

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 72, 88, 96, 99, 132, 144, 176, 198, 264, 288, 352, 396, 528, 792, 1056, 1584, 3168, 20981, 41962, 62943, 83924, 125886, 167848, 188829, 230791, 251772, 335696, 377658, 461582, 503544, 671392, 692373, 755316, 923164, 1007088, 1384746, 1510632, 1846328, 2014176, 2077119, 2769492, 3021264, 3692656, 4154238, 5538984, 6042528, 7385312, 8308476, 11077968, 16616952, 22155936, 33233904, 66467808]

約数ペア:

[(1, 66467808), (2, 33233904), (3, 22155936), (4, 16616952), (6, 11077968), (8, 8308476), (9, 7385312), (11, 6042528), (12, 5538984), (16, 4154238), (18, 3692656), (22, 3021264), (24, 2769492), (32, 2077119), (33, 2014176), (36, 1846328), (44, 1510632), (48, 1384746), (66, 1007088), (72, 923164), (88, 755316), (96, 692373), (99, 671392), (132, 503544), (144, 461582), (176, 377658), (198, 335696), (264, 251772), (288, 230791), (352, 188829), (396, 167848), (528, 125886), (792, 83924), (1056, 62943), (1584, 41962), (3168, 20981)]