128891378

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{6917}}^1$

素因数の和:6959

約数の個数: 32

約数和(自身を含む): 243070848

約数和(自身を除く): 114179470

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 1331, 1694, 2662, 6917, 9317, 13834, 18634, 48419, 76087, 96838, 152174, 532609, 836957, 1065218, 1673914, 5858699, 9206527, 11717398, 18413054, 64445689, 128891378]

約数ペア:

[(1, 128891378), (2, 64445689), (7, 18413054), (11, 11717398), (14, 9206527), (22, 5858699), (77, 1673914), (121, 1065218), (154, 836957), (242, 532609), (847, 152174), (1331, 96838), (1694, 76087), (2662, 48419), (6917, 18634), (9317, 13834)]