81981312

素因数分解:

$2^7\times 3^1\times 7^2\times {\mathrm{4357}}^1$

素因数の和:4388

約数の個数: 96

約数和(自身を含む): 253374120

約数和(自身を除く): 171392808

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 128, 147, 168, 192, 196, 224, 294, 336, 384, 392, 448, 588, 672, 784, 896, 1176, 1344, 1568, 2352, 2688, 3136, 4357, 4704, 6272, 8714, 9408, 13071, 17428, 18816, 26142, 30499, 34856, 52284, 60998, 69712, 91497, 104568, 121996, 139424, 182994, 209136, 213493, 243992, 278848, 365988, 418272, 426986, 487984, 557696, 640479, 731976, 836544, 853972, 975968, 1280958, 1463952, 1673088, 1707944, 1951936, 2561916, 2927904, 3415888, 3903872, 5123832, 5855808, 6831776, 10247664, 11711616, 13663552, 20495328, 27327104, 40990656, 81981312]

約数ペア:

[(1, 81981312), (2, 40990656), (3, 27327104), (4, 20495328), (6, 13663552), (7, 11711616), (8, 10247664), (12, 6831776), (14, 5855808), (16, 5123832), (21, 3903872), (24, 3415888), (28, 2927904), (32, 2561916), (42, 1951936), (48, 1707944), (49, 1673088), (56, 1463952), (64, 1280958), (84, 975968), (96, 853972), (98, 836544), (112, 731976), (128, 640479), (147, 557696), (168, 487984), (192, 426986), (196, 418272), (224, 365988), (294, 278848), (336, 243992), (384, 213493), (392, 209136), (448, 182994), (588, 139424), (672, 121996), (784, 104568), (896, 91497), (1176, 69712), (1344, 60998), (1568, 52284), (2352, 34856), (2688, 30499), (3136, 26142), (4357, 18816), (4704, 17428), (6272, 13071), (8714, 9408)]