2158393321

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 2736259072

約数和(自身を除く): 577865751

約数列:

[1, 7, 17, 31, 119, 127, 217, 271, 289, 527, 889, 1897, 2023, 2159, 3689, 3937, 4607, 8401, 8959, 15113, 27559, 32249, 34417, 36703, 58807, 62713, 66929, 78319, 142817, 240919, 256921, 468503, 548233, 585089, 999719, 1066927, 1137793, 2427889, 4095623, 7468489, 7964551, 9946513, 16995223, 18137759, 69625591, 126964313, 308341903, 2158393321]

約数ペア:

[(1, 2158393321), (7, 308341903), (17, 126964313), (31, 69625591), (119, 18137759), (127, 16995223), (217, 9946513), (271, 7964551), (289, 7468489), (527, 4095623), (889, 2427889), (1897, 1137793), (2023, 1066927), (2159, 999719), (3689, 585089), (3937, 548233), (4607, 468503), (8401, 256921), (8959, 240919), (15113, 142817), (27559, 78319), (32249, 66929), (34417, 62713), (36703, 58807)]