689146585

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{3169}}^1$

素因数の和:3289

約数の個数: 32

約数和(自身を含む): 905656320

約数和(自身を除く): 216509735

約数列:

[1, 5, 23, 31, 61, 115, 155, 305, 713, 1403, 1891, 3169, 3565, 7015, 9455, 15845, 43493, 72887, 98239, 193309, 217465, 364435, 491195, 966545, 2259497, 4446107, 5992579, 11297485, 22230535, 29962895, 137829317, 689146585]

約数ペア:

[(1, 689146585), (5, 137829317), (23, 29962895), (31, 22230535), (61, 11297485), (115, 5992579), (155, 4446107), (305, 2259497), (713, 966545), (1403, 491195), (1891, 364435), (3169, 217465), (3565, 193309), (7015, 98239), (9455, 72887), (15845, 43493)]