68631952

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{563}}^1$

素因数の和:991

約数の個数: 40

約数和(自身を含む): 140571360

約数和(自身を除く): 71939408

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 401, 563, 802, 1126, 1604, 2252, 3208, 4504, 6416, 7619, 9008, 10697, 15238, 21394, 30476, 42788, 60952, 85576, 121904, 171152, 225763, 451526, 903052, 1806104, 3612208, 4289497, 8578994, 17157988, 34315976, 68631952]

約数ペア:

[(1, 68631952), (2, 34315976), (4, 17157988), (8, 8578994), (16, 4289497), (19, 3612208), (38, 1806104), (76, 903052), (152, 451526), (304, 225763), (401, 171152), (563, 121904), (802, 85576), (1126, 60952), (1604, 42788), (2252, 30476), (3208, 21394), (4504, 15238), (6416, 10697), (7619, 9008)]