28987156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 57480192

約数和(自身を除く): 28493036

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 107, 131, 188, 214, 262, 428, 517, 524, 1034, 1177, 1441, 2068, 2354, 2882, 4708, 5029, 5764, 6157, 10058, 12314, 14017, 20116, 24628, 28034, 55319, 56068, 67727, 110638, 135454, 154187, 221276, 270908, 308374, 616748, 658799, 1317598, 2635196, 7246789, 14493578, 28987156]

約数ペア:

[(1, 28987156), (2, 14493578), (4, 7246789), (11, 2635196), (22, 1317598), (44, 658799), (47, 616748), (94, 308374), (107, 270908), (131, 221276), (188, 154187), (214, 135454), (262, 110638), (428, 67727), (517, 56068), (524, 55319), (1034, 28034), (1177, 24628), (1441, 20116), (2068, 14017), (2354, 12314), (2882, 10058), (4708, 6157), (5029, 5764)]