16772665

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{193}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 25030656

約数和(自身を除く): 8257991

約数列:

[1, 5, 7, 13, 35, 65, 91, 191, 193, 455, 955, 965, 1337, 1351, 2483, 2509, 6685, 6755, 12415, 12545, 17381, 17563, 36863, 86905, 87815, 184315, 258041, 479219, 1290205, 2396095, 3354533, 16772665]

約数ペア:

[(1, 16772665), (5, 3354533), (7, 2396095), (13, 1290205), (35, 479219), (65, 258041), (91, 184315), (191, 87815), (193, 86905), (455, 36863), (955, 17563), (965, 17381), (1337, 12545), (1351, 12415), (2483, 6755), (2509, 6685)]