72558556

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 148395520

約数和(自身を除く): 75836964

約数列:

[1, 2, 4, 7, 14, 28, 103, 139, 181, 206, 278, 362, 412, 556, 721, 724, 973, 1267, 1442, 1946, 2534, 2884, 3892, 5068, 14317, 18643, 25159, 28634, 37286, 50318, 57268, 74572, 100219, 100636, 130501, 176113, 200438, 261002, 352226, 400876, 522004, 704452, 2591377, 5182754, 10365508, 18139639, 36279278, 72558556]

約数ペア:

[(1, 72558556), (2, 36279278), (4, 18139639), (7, 10365508), (14, 5182754), (28, 2591377), (103, 704452), (139, 522004), (181, 400876), (206, 352226), (278, 261002), (362, 200438), (412, 176113), (556, 130501), (721, 100636), (724, 100219), (973, 74572), (1267, 57268), (1442, 50318), (1946, 37286), (2534, 28634), (2884, 25159), (3892, 18643), (5068, 14317)]