81623872

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^2$

素因数の和:188

約数の個数: 84

約数和(自身を含む): 187013088

約数和(自身を除く): 105389216

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 44, 46, 64, 71, 88, 92, 142, 176, 184, 253, 284, 352, 368, 506, 568, 704, 736, 781, 1012, 1136, 1472, 1562, 1633, 2024, 2272, 3124, 3266, 4048, 4544, 5041, 6248, 6532, 8096, 10082, 12496, 13064, 16192, 17963, 20164, 24992, 26128, 35926, 40328, 49984, 52256, 55451, 71852, 80656, 104512, 110902, 115943, 143704, 161312, 221804, 231886, 287408, 322624, 443608, 463772, 574816, 887216, 927544, 1149632, 1275373, 1774432, 1855088, 2550746, 3548864, 3710176, 5101492, 7420352, 10202984, 20405968, 40811936, 81623872]

約数ペア:

[(1, 81623872), (2, 40811936), (4, 20405968), (8, 10202984), (11, 7420352), (16, 5101492), (22, 3710176), (23, 3548864), (32, 2550746), (44, 1855088), (46, 1774432), (64, 1275373), (71, 1149632), (88, 927544), (92, 887216), (142, 574816), (176, 463772), (184, 443608), (253, 322624), (284, 287408), (352, 231886), (368, 221804), (506, 161312), (568, 143704), (704, 115943), (736, 110902), (781, 104512), (1012, 80656), (1136, 71852), (1472, 55451), (1562, 52256), (1633, 49984), (2024, 40328), (2272, 35926), (3124, 26128), (3266, 24992), (4048, 20164), (4544, 17963), (5041, 16192), (6248, 13064), (6532, 12496), (8096, 10082)]