161798

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:156

約数の個数: 24

約数和(自身を含む): 306432

約数和(自身を除く): 144634

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 127, 182, 254, 637, 889, 1274, 1651, 1778, 3302, 6223, 11557, 12446, 23114, 80899, 161798]

約数ペア:

[(1, 161798), (2, 80899), (7, 23114), (13, 12446), (14, 11557), (26, 6223), (49, 3302), (91, 1778), (98, 1651), (127, 1274), (182, 889), (254, 637)]