25808398

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:385

約数の個数: 48

約数和(自身を含む): 49863600

約数和(自身を除く): 24055202

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 89, 98, 154, 178, 269, 538, 539, 623, 979, 1078, 1246, 1883, 1958, 2959, 3766, 4361, 5918, 6853, 8722, 13181, 13706, 20713, 23941, 26362, 41426, 47882, 47971, 95942, 144991, 167587, 263351, 289982, 335174, 526702, 1173109, 1843457, 2346218, 3686914, 12904199, 25808398]

約数ペア:

[(1, 25808398), (2, 12904199), (7, 3686914), (11, 2346218), (14, 1843457), (22, 1173109), (49, 526702), (77, 335174), (89, 289982), (98, 263351), (154, 167587), (178, 144991), (269, 95942), (538, 47971), (539, 47882), (623, 41426), (979, 26362), (1078, 23941), (1246, 20713), (1883, 13706), (1958, 13181), (2959, 8722), (3766, 6853), (4361, 5918)]