68719672

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{20117}}^1$

素因数の和:20191

約数の個数: 32

約数和(自身を含む): 149677920

約数和(自身を除く): 80958248

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 3416, 20117, 40234, 80468, 140819, 160936, 281638, 563276, 1126552, 1227137, 2454274, 4908548, 8589959, 9817096, 17179918, 34359836, 68719672]

約数ペア:

[(1, 68719672), (2, 34359836), (4, 17179918), (7, 9817096), (8, 8589959), (14, 4908548), (28, 2454274), (56, 1227137), (61, 1126552), (122, 563276), (244, 281638), (427, 160936), (488, 140819), (854, 80468), (1708, 40234), (3416, 20117)]