634942

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:77

約数の個数: 48

約数和(自身を含む): 1313280

約数和(自身を除く): 678338

約数列:

[1, 2, 7, 11, 14, 19, 22, 31, 38, 49, 62, 77, 98, 133, 154, 209, 217, 266, 341, 418, 434, 539, 589, 682, 931, 1078, 1178, 1463, 1519, 1862, 2387, 2926, 3038, 4123, 4774, 6479, 8246, 10241, 12958, 16709, 20482, 28861, 33418, 45353, 57722, 90706, 317471, 634942]

約数ペア:

[(1, 634942), (2, 317471), (7, 90706), (11, 57722), (14, 45353), (19, 33418), (22, 28861), (31, 20482), (38, 16709), (49, 12958), (62, 10241), (77, 8246), (98, 6479), (133, 4774), (154, 4123), (209, 3038), (217, 2926), (266, 2387), (341, 1862), (418, 1519), (434, 1463), (539, 1178), (589, 1078), (682, 931)]