278371121

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{15161}}^1$

素因数の和:15272

約数の個数: 16

約数和(自身を含む): 330895488

約数和(自身を除く): 52524367

約数列:

[1, 7, 43, 61, 301, 427, 2623, 15161, 18361, 106127, 651923, 924821, 4563461, 6473747, 39767303, 278371121]

約数ペア:

[(1, 278371121), (7, 39767303), (43, 6473747), (61, 4563461), (301, 924821), (427, 651923), (2623, 106127), (15161, 18361)]