128804918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{2003}}^1$

素因数の和:2132

約数の個数: 32

約数和(自身を含む): 219317760

約数和(自身を除く): 90512842

約数列:

[1, 2, 11, 22, 37, 74, 79, 158, 407, 814, 869, 1738, 2003, 2923, 4006, 5846, 22033, 32153, 44066, 64306, 74111, 148222, 158237, 316474, 815221, 1630442, 1740607, 3481214, 5854769, 11709538, 64402459, 128804918]

約数ペア:

[(1, 128804918), (2, 64402459), (11, 11709538), (22, 5854769), (37, 3481214), (74, 1740607), (79, 1630442), (158, 815221), (407, 316474), (814, 158237), (869, 148222), (1738, 74111), (2003, 64306), (2923, 44066), (4006, 32153), (5846, 22033)]