217466326

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{19889}}^1$

素因数の和:19980

約数の個数: 32

約数和(自身を含む): 412439040

約数和(自身を除く): 194972714

約数列:

[1, 2, 7, 11, 14, 22, 71, 77, 142, 154, 497, 781, 994, 1562, 5467, 10934, 19889, 39778, 139223, 218779, 278446, 437558, 1412119, 1531453, 2824238, 3062906, 9884833, 15533309, 19769666, 31066618, 108733163, 217466326]

約数ペア:

[(1, 217466326), (2, 108733163), (7, 31066618), (11, 19769666), (14, 15533309), (22, 9884833), (71, 3062906), (77, 2824238), (142, 1531453), (154, 1412119), (497, 437558), (781, 278446), (994, 218779), (1562, 139223), (5467, 39778), (10934, 19889)]