220699367

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 270449280

約数和(自身を除く): 49749913

約数列:

[1, 7, 29, 53, 73, 203, 281, 371, 511, 1537, 1967, 2117, 3869, 8149, 10759, 14819, 14893, 20513, 27083, 57043, 104251, 112201, 143591, 431897, 594877, 785407, 1087189, 3023279, 4164139, 7610323, 31528481, 220699367]

約数ペア:

[(1, 220699367), (7, 31528481), (29, 7610323), (53, 4164139), (73, 3023279), (203, 1087189), (281, 785407), (371, 594877), (511, 431897), (1537, 143591), (1967, 112201), (2117, 104251), (3869, 57043), (8149, 27083), (10759, 20513), (14819, 14893)]