399198592

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1889}}^1$

素因数の和:2043

約数の個数: 64

約数和(自身を含む): 863654400

約数和(自身を除く): 464455808

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 127, 128, 208, 254, 416, 508, 832, 1016, 1651, 1664, 1889, 2032, 3302, 3778, 4064, 6604, 7556, 8128, 13208, 15112, 16256, 24557, 26416, 30224, 49114, 52832, 60448, 98228, 105664, 120896, 196456, 211328, 239903, 241792, 392912, 479806, 785824, 959612, 1571648, 1919224, 3118739, 3143296, 3838448, 6237478, 7676896, 12474956, 15353792, 24949912, 30707584, 49899824, 99799648, 199599296, 399198592]

約数ペア:

[(1, 399198592), (2, 199599296), (4, 99799648), (8, 49899824), (13, 30707584), (16, 24949912), (26, 15353792), (32, 12474956), (52, 7676896), (64, 6237478), (104, 3838448), (127, 3143296), (128, 3118739), (208, 1919224), (254, 1571648), (416, 959612), (508, 785824), (832, 479806), (1016, 392912), (1651, 241792), (1664, 239903), (1889, 211328), (2032, 196456), (3302, 120896), (3778, 105664), (4064, 98228), (6604, 60448), (7556, 52832), (8128, 49114), (13208, 30224), (15112, 26416), (16256, 24557)]