128571136

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{953}}^1$

素因数の和:1017

約数の個数: 72

約数和(自身を含む): 280796544

約数和(自身を除く): 152225408

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 124, 128, 136, 248, 256, 272, 496, 527, 544, 953, 992, 1054, 1088, 1906, 1984, 2108, 2176, 3812, 3968, 4216, 4352, 7624, 7936, 8432, 15248, 16201, 16864, 29543, 30496, 32402, 33728, 59086, 60992, 64804, 67456, 118172, 121984, 129608, 134912, 236344, 243968, 259216, 472688, 502231, 518432, 945376, 1004462, 1036864, 1890752, 2008924, 2073728, 3781504, 4017848, 4147456, 7563008, 8035696, 16071392, 32142784, 64285568, 128571136]

約数ペア:

[(1, 128571136), (2, 64285568), (4, 32142784), (8, 16071392), (16, 8035696), (17, 7563008), (31, 4147456), (32, 4017848), (34, 3781504), (62, 2073728), (64, 2008924), (68, 1890752), (124, 1036864), (128, 1004462), (136, 945376), (248, 518432), (256, 502231), (272, 472688), (496, 259216), (527, 243968), (544, 236344), (953, 134912), (992, 129608), (1054, 121984), (1088, 118172), (1906, 67456), (1984, 64804), (2108, 60992), (2176, 59086), (3812, 33728), (3968, 32402), (4216, 30496), (4352, 29543), (7624, 16864), (7936, 16201), (8432, 15248)]