289349537

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 335301120

約数和(自身を除く): 45951583

約数列:

[1, 17, 19, 43, 83, 251, 323, 731, 817, 1411, 1577, 3569, 4267, 4769, 10793, 13889, 20833, 26809, 60673, 67811, 81073, 183481, 205067, 354161, 395827, 895819, 1152787, 3486139, 6729059, 15228923, 17020561, 289349537]

約数ペア:

[(1, 289349537), (17, 17020561), (19, 15228923), (43, 6729059), (83, 3486139), (251, 1152787), (323, 895819), (731, 395827), (817, 354161), (1411, 205067), (1577, 183481), (3569, 81073), (4267, 67811), (4769, 60673), (10793, 26809), (13889, 20833)]