7398391

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 10483200

約数和(自身を除く): 3084809

約数列:

[1, 7, 11, 13, 19, 77, 91, 133, 143, 209, 247, 389, 1001, 1463, 1729, 2717, 2723, 4279, 5057, 7391, 19019, 29953, 35399, 51737, 55627, 81301, 96083, 389389, 569107, 672581, 1056913, 7398391]

約数ペア:

[(1, 7398391), (7, 1056913), (11, 672581), (13, 569107), (19, 389389), (77, 96083), (91, 81301), (133, 55627), (143, 51737), (209, 35399), (247, 29953), (389, 19019), (1001, 7391), (1463, 5057), (1729, 4279), (2717, 2723)]