28681716

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{17971}}^1$

素因数の和:18004

約数の個数: 48

約数和(自身を含む): 80514560

約数和(自身を除く): 51832844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 399, 532, 798, 1596, 17971, 35942, 53913, 71884, 107826, 125797, 215652, 251594, 341449, 377391, 503188, 682898, 754782, 1024347, 1365796, 1509564, 2048694, 2390143, 4097388, 4780286, 7170429, 9560572, 14340858, 28681716]

約数ペア:

[(1, 28681716), (2, 14340858), (3, 9560572), (4, 7170429), (6, 4780286), (7, 4097388), (12, 2390143), (14, 2048694), (19, 1509564), (21, 1365796), (28, 1024347), (38, 754782), (42, 682898), (57, 503188), (76, 377391), (84, 341449), (114, 251594), (133, 215652), (228, 125797), (266, 107826), (399, 71884), (532, 53913), (798, 35942), (1596, 17971)]