289652321

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{83}}^1\times {\mathrm{1381}}^1$

素因数の和:1509

約数の個数: 24

約数和(自身を含む): 353836224

約数和(自身を除く): 64183903

約数列:

[1, 7, 19, 83, 133, 361, 581, 1381, 1577, 2527, 9667, 11039, 26239, 29963, 114623, 183673, 209741, 498541, 802361, 2177837, 3489787, 15244859, 41378903, 289652321]

約数ペア:

[(1, 289652321), (7, 41378903), (19, 15244859), (83, 3489787), (133, 2177837), (361, 802361), (581, 498541), (1381, 209741), (1577, 183673), (2527, 114623), (9667, 29963), (11039, 26239)]