81393824

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{953}}^1$

素因数の和:1137

約数の個数: 48

約数和(自身を含む): 170930088

約数和(自身を除く): 89536264

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 157, 272, 314, 544, 628, 953, 1256, 1906, 2512, 2669, 3812, 5024, 5338, 7624, 10676, 15248, 16201, 21352, 30496, 32402, 42704, 64804, 85408, 129608, 149621, 259216, 299242, 518432, 598484, 1196968, 2393936, 2543557, 4787872, 5087114, 10174228, 20348456, 40696912, 81393824]

約数ペア:

[(1, 81393824), (2, 40696912), (4, 20348456), (8, 10174228), (16, 5087114), (17, 4787872), (32, 2543557), (34, 2393936), (68, 1196968), (136, 598484), (157, 518432), (272, 299242), (314, 259216), (544, 149621), (628, 129608), (953, 85408), (1256, 64804), (1906, 42704), (2512, 32402), (2669, 30496), (3812, 21352), (5024, 16201), (5338, 15248), (7624, 10676)]