205657276

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{313}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 400387680

約数和(自身を除く): 194730404

約数列:

[1, 2, 4, 11, 22, 44, 109, 137, 218, 274, 313, 436, 548, 626, 1199, 1252, 1507, 2398, 3014, 3443, 4796, 6028, 6886, 13772, 14933, 29866, 34117, 42881, 59732, 68234, 85762, 136468, 164263, 171524, 328526, 375287, 471691, 657052, 750574, 943382, 1501148, 1886764, 4674029, 9348058, 18696116, 51414319, 102828638, 205657276]

約数ペア:

[(1, 205657276), (2, 102828638), (4, 51414319), (11, 18696116), (22, 9348058), (44, 4674029), (109, 1886764), (137, 1501148), (218, 943382), (274, 750574), (313, 657052), (436, 471691), (548, 375287), (626, 328526), (1199, 171524), (1252, 164263), (1507, 136468), (2398, 85762), (3014, 68234), (3443, 59732), (4796, 42881), (6028, 34117), (6886, 29866), (13772, 14933)]