220168949

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 315076608

約数和(自身を除く): 94907659

約数列:

[1, 7, 11, 13, 23, 73, 77, 91, 131, 143, 161, 253, 299, 511, 803, 917, 949, 1001, 1441, 1679, 1703, 1771, 2093, 3013, 3289, 5621, 6643, 9563, 10087, 10439, 11753, 11921, 18469, 18733, 21091, 21827, 23023, 33143, 39169, 66941, 73073, 105193, 124319, 129283, 131131, 152789, 219949, 232001, 240097, 274183, 430859, 736351, 870233, 1367509, 1539643, 1680679, 2419439, 2859337, 3016013, 9572563, 16936073, 20015359, 31452707, 220168949]

約数ペア:

[(1, 220168949), (7, 31452707), (11, 20015359), (13, 16936073), (23, 9572563), (73, 3016013), (77, 2859337), (91, 2419439), (131, 1680679), (143, 1539643), (161, 1367509), (253, 870233), (299, 736351), (511, 430859), (803, 274183), (917, 240097), (949, 232001), (1001, 219949), (1441, 152789), (1679, 131131), (1703, 129283), (1771, 124319), (2093, 105193), (3013, 73073), (3289, 66941), (5621, 39169), (6643, 33143), (9563, 23023), (10087, 21827), (10439, 21091), (11753, 18733), (11921, 18469)]