725099128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{366953}}^1$

素因数の和:366991

約数の個数: 32

約数和(自身を含む): 1541206800

約数和(自身を除く): 816107672

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 366953, 733906, 1467812, 2935624, 4770389, 6972107, 9540778, 13944214, 19081556, 27888428, 38163112, 55776856, 90637391, 181274782, 362549564, 725099128]

約数ペア:

[(1, 725099128), (2, 362549564), (4, 181274782), (8, 90637391), (13, 55776856), (19, 38163112), (26, 27888428), (38, 19081556), (52, 13944214), (76, 9540778), (104, 6972107), (152, 4770389), (247, 2935624), (494, 1467812), (988, 733906), (1976, 366953)]