389068724

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{25931}}^1$

素因数の和:25988

約数の個数: 36

約数和(自身を含む): 772566144

約数和(自身を除く): 383497420

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 121, 124, 242, 341, 484, 682, 1364, 3751, 7502, 15004, 25931, 51862, 103724, 285241, 570482, 803861, 1140964, 1607722, 3137651, 3215444, 6275302, 8842471, 12550604, 17684942, 35369884, 97267181, 194534362, 389068724]

約数ペア:

[(1, 389068724), (2, 194534362), (4, 97267181), (11, 35369884), (22, 17684942), (31, 12550604), (44, 8842471), (62, 6275302), (121, 3215444), (124, 3137651), (242, 1607722), (341, 1140964), (484, 803861), (682, 570482), (1364, 285241), (3751, 103724), (7502, 51862), (15004, 25931)]