289269091

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:367

約数の個数: 32

約数和(自身を含む): 332513280

約数和(自身を除く): 43244189

約数列:

[1, 19, 23, 31, 131, 163, 437, 589, 713, 2489, 3013, 3097, 3749, 4061, 5053, 13547, 21353, 57247, 71231, 77159, 93403, 96007, 116219, 405707, 491119, 661943, 1774657, 2208161, 9331261, 12576917, 15224689, 289269091]

約数ペア:

[(1, 289269091), (19, 15224689), (23, 12576917), (31, 9331261), (131, 2208161), (163, 1774657), (437, 661943), (589, 491119), (713, 405707), (2489, 116219), (3013, 96007), (3097, 93403), (3749, 77159), (4061, 71231), (5053, 57247), (13547, 21353)]