178780308

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{19891}}^1$

素因数の和:20012

約数の個数: 48

約数和(自身を含む): 481227264

約数和(自身を除く): 302446956

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 107, 214, 321, 428, 642, 749, 1284, 1498, 2247, 2996, 4494, 8988, 19891, 39782, 59673, 79564, 119346, 139237, 238692, 278474, 417711, 556948, 835422, 1670844, 2128337, 4256674, 6385011, 8513348, 12770022, 14898359, 25540044, 29796718, 44695077, 59593436, 89390154, 178780308]

約数ペア:

[(1, 178780308), (2, 89390154), (3, 59593436), (4, 44695077), (6, 29796718), (7, 25540044), (12, 14898359), (14, 12770022), (21, 8513348), (28, 6385011), (42, 4256674), (84, 2128337), (107, 1670844), (214, 835422), (321, 556948), (428, 417711), (642, 278474), (749, 238692), (1284, 139237), (1498, 119346), (2247, 79564), (2996, 59673), (4494, 39782), (8988, 19891)]