128921188

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2011}}^1$

素因数の和:2104

約数の個数: 48

約数和(自身を含む): 259596288

約数和(自身を除く): 130675100

約数列:

[1, 2, 4, 11, 22, 31, 44, 47, 62, 94, 124, 188, 341, 517, 682, 1034, 1364, 1457, 2011, 2068, 2914, 4022, 5828, 8044, 16027, 22121, 32054, 44242, 62341, 64108, 88484, 94517, 124682, 189034, 249364, 378068, 685751, 1039687, 1371502, 2079374, 2743004, 2930027, 4158748, 5860054, 11720108, 32230297, 64460594, 128921188]

約数ペア:

[(1, 128921188), (2, 64460594), (4, 32230297), (11, 11720108), (22, 5860054), (31, 4158748), (44, 2930027), (47, 2743004), (62, 2079374), (94, 1371502), (124, 1039687), (188, 685751), (341, 378068), (517, 249364), (682, 189034), (1034, 124682), (1364, 94517), (1457, 88484), (2011, 64108), (2068, 62341), (2914, 44242), (4022, 32054), (5828, 22121), (8044, 16027)]