321570454612

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{139}}^2\times {\mathrm{293}}^1\times {\mathrm{1291}}^1$

素因数の和:1877

約数の個数: 72

約数和(自身を含む): 620946641952

約数和(自身を除く): 299376187340

約数列:

[1, 2, 4, 11, 22, 44, 139, 278, 293, 556, 586, 1172, 1291, 1529, 2582, 3058, 3223, 5164, 6116, 6446, 12892, 14201, 19321, 28402, 38642, 40727, 56804, 77284, 81454, 162908, 179449, 212531, 358898, 378263, 425062, 447997, 717796, 756526, 850124, 895994, 1513052, 1791988, 1973939, 3947878, 4160893, 5661053, 7895756, 8321786, 11322106, 16643572, 22644212, 24943411, 49886822, 52578557, 62271583, 99773644, 105157114, 124543166, 210314228, 249086332, 274377521, 548755042, 578364127, 1097510084, 1156728254, 2313456508, 7308419423, 14616838846, 29233677692, 80392613653, 160785227306, 321570454612]

約数ペア:

[(1, 321570454612), (2, 160785227306), (4, 80392613653), (11, 29233677692), (22, 14616838846), (44, 7308419423), (139, 2313456508), (278, 1156728254), (293, 1097510084), (556, 578364127), (586, 548755042), (1172, 274377521), (1291, 249086332), (1529, 210314228), (2582, 124543166), (3058, 105157114), (3223, 99773644), (5164, 62271583), (6116, 52578557), (6446, 49886822), (12892, 24943411), (14201, 22644212), (19321, 16643572), (28402, 11322106), (38642, 8321786), (40727, 7895756), (56804, 5661053), (77284, 4160893), (81454, 3947878), (162908, 1973939), (179449, 1791988), (212531, 1513052), (358898, 895994), (378263, 850124), (425062, 756526), (447997, 717796)]