81429568

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:200

約数の個数: 112

約数和(自身を含む): 189609984

約数和(自身を除く): 108180416

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 44, 46, 47, 64, 88, 92, 94, 107, 176, 184, 188, 214, 253, 352, 368, 376, 428, 506, 517, 704, 736, 752, 856, 1012, 1034, 1081, 1177, 1472, 1504, 1712, 2024, 2068, 2162, 2354, 2461, 3008, 3424, 4048, 4136, 4324, 4708, 4922, 5029, 6848, 8096, 8272, 8648, 9416, 9844, 10058, 11891, 16192, 16544, 17296, 18832, 19688, 20116, 23782, 27071, 33088, 34592, 37664, 39376, 40232, 47564, 54142, 55319, 69184, 75328, 78752, 80464, 95128, 108284, 110638, 115667, 157504, 160928, 190256, 216568, 221276, 231334, 321856, 380512, 433136, 442552, 462668, 761024, 866272, 885104, 925336, 1272337, 1732544, 1770208, 1850672, 2544674, 3540416, 3701344, 5089348, 7402688, 10178696, 20357392, 40714784, 81429568]

約数ペア:

[(1, 81429568), (2, 40714784), (4, 20357392), (8, 10178696), (11, 7402688), (16, 5089348), (22, 3701344), (23, 3540416), (32, 2544674), (44, 1850672), (46, 1770208), (47, 1732544), (64, 1272337), (88, 925336), (92, 885104), (94, 866272), (107, 761024), (176, 462668), (184, 442552), (188, 433136), (214, 380512), (253, 321856), (352, 231334), (368, 221276), (376, 216568), (428, 190256), (506, 160928), (517, 157504), (704, 115667), (736, 110638), (752, 108284), (856, 95128), (1012, 80464), (1034, 78752), (1081, 75328), (1177, 69184), (1472, 55319), (1504, 54142), (1712, 47564), (2024, 40232), (2068, 39376), (2162, 37664), (2354, 34592), (2461, 33088), (3008, 27071), (3424, 23782), (4048, 20116), (4136, 19688), (4324, 18832), (4708, 17296), (4922, 16544), (5029, 16192), (6848, 11891), (8096, 10058), (8272, 9844), (8648, 9416)]