208840828

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{2333}}^1$

素因数の和:2506

約数の個数: 48

約数和(自身を含む): 439165440

約数和(自身を除く): 230324612

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 139, 161, 278, 322, 556, 644, 973, 1946, 2333, 3197, 3892, 4666, 6394, 9332, 12788, 16331, 22379, 32662, 44758, 53659, 65324, 89516, 107318, 214636, 324287, 375613, 648574, 751226, 1297148, 1502452, 2270009, 4540018, 7458601, 9080036, 14917202, 29834404, 52210207, 104420414, 208840828]

約数ペア:

[(1, 208840828), (2, 104420414), (4, 52210207), (7, 29834404), (14, 14917202), (23, 9080036), (28, 7458601), (46, 4540018), (92, 2270009), (139, 1502452), (161, 1297148), (278, 751226), (322, 648574), (556, 375613), (644, 324287), (973, 214636), (1946, 107318), (2333, 89516), (3197, 65324), (3892, 53659), (4666, 44758), (6394, 32662), (9332, 22379), (12788, 16331)]