290651438

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:358

約数の個数: 72

約数和(自身を含む): 564754176

約数和(自身を除く): 274102738

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 121, 127, 154, 193, 242, 254, 386, 539, 847, 889, 1078, 1351, 1397, 1694, 1778, 2123, 2702, 2794, 4246, 5929, 6223, 9457, 9779, 11858, 12446, 14861, 15367, 18914, 19558, 23353, 24511, 29722, 30734, 46706, 49022, 68453, 104027, 107569, 136906, 163471, 171577, 208054, 215138, 269621, 326942, 343154, 539242, 752983, 1144297, 1201039, 1505966, 1887347, 2288594, 2402078, 2965831, 3774694, 5931662, 13211429, 20760817, 26422858, 41521634, 145325719, 290651438]

約数ペア:

[(1, 290651438), (2, 145325719), (7, 41521634), (11, 26422858), (14, 20760817), (22, 13211429), (49, 5931662), (77, 3774694), (98, 2965831), (121, 2402078), (127, 2288594), (154, 1887347), (193, 1505966), (242, 1201039), (254, 1144297), (386, 752983), (539, 539242), (847, 343154), (889, 326942), (1078, 269621), (1351, 215138), (1397, 208054), (1694, 171577), (1778, 163471), (2123, 136906), (2702, 107569), (2794, 104027), (4246, 68453), (5929, 49022), (6223, 46706), (9457, 30734), (9779, 29722), (11858, 24511), (12446, 23353), (14861, 19558), (15367, 18914)]