521918868

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{1993}}^1$

素因数の和:2296

約数の個数: 48

約数和(自身を含む): 1235003840

約数和(自身を除く): 713084972

約数列:

[1, 2, 3, 4, 6, 12, 139, 157, 278, 314, 417, 471, 556, 628, 834, 942, 1668, 1884, 1993, 3986, 5979, 7972, 11958, 21823, 23916, 43646, 65469, 87292, 130938, 261876, 277027, 312901, 554054, 625802, 831081, 938703, 1108108, 1251604, 1662162, 1877406, 3324324, 3754812, 43493239, 86986478, 130479717, 173972956, 260959434, 521918868]

約数ペア:

[(1, 521918868), (2, 260959434), (3, 173972956), (4, 130479717), (6, 86986478), (12, 43493239), (139, 3754812), (157, 3324324), (278, 1877406), (314, 1662162), (417, 1251604), (471, 1108108), (556, 938703), (628, 831081), (834, 625802), (942, 554054), (1668, 312901), (1884, 277027), (1993, 261876), (3986, 130938), (5979, 87292), (7972, 65469), (11958, 43646), (21823, 23916)]