80521588

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1217}}^1$

素因数の和:1384

約数の個数: 48

約数和(自身を含む): 171884160

約数和(自身を除く): 91362572

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 139, 238, 278, 476, 556, 973, 1217, 1946, 2363, 2434, 3892, 4726, 4868, 8519, 9452, 16541, 17038, 20689, 33082, 34076, 41378, 66164, 82756, 144823, 169163, 289646, 338326, 579292, 676652, 1184141, 2368282, 2875771, 4736564, 5751542, 11503084, 20130397, 40260794, 80521588]

約数ペア:

[(1, 80521588), (2, 40260794), (4, 20130397), (7, 11503084), (14, 5751542), (17, 4736564), (28, 2875771), (34, 2368282), (68, 1184141), (119, 676652), (139, 579292), (238, 338326), (278, 289646), (476, 169163), (556, 144823), (973, 82756), (1217, 66164), (1946, 41378), (2363, 34076), (2434, 33082), (3892, 20689), (4726, 17038), (4868, 16541), (8519, 9452)]