81362816

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:439

約数の個数: 64

約数和(自身を含む): 173502000

約数和(自身を除く): 92139184

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 139, 269, 272, 278, 538, 544, 556, 1076, 1088, 1112, 2152, 2176, 2224, 2363, 4304, 4448, 4573, 4726, 8608, 8896, 9146, 9452, 17216, 17792, 18292, 18904, 34432, 36584, 37391, 37808, 73168, 74782, 75616, 146336, 149564, 151232, 292672, 299128, 302464, 585344, 598256, 635647, 1196512, 1271294, 2393024, 2542588, 4786048, 5085176, 10170352, 20340704, 40681408, 81362816]

約数ペア:

[(1, 81362816), (2, 40681408), (4, 20340704), (8, 10170352), (16, 5085176), (17, 4786048), (32, 2542588), (34, 2393024), (64, 1271294), (68, 1196512), (128, 635647), (136, 598256), (139, 585344), (269, 302464), (272, 299128), (278, 292672), (538, 151232), (544, 149564), (556, 146336), (1076, 75616), (1088, 74782), (1112, 73168), (2152, 37808), (2176, 37391), (2224, 36584), (2363, 34432), (4304, 18904), (4448, 18292), (4573, 17792), (4726, 17216), (8608, 9452), (8896, 9146)]