280903679

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{6571}}^1$

素因数の和:6806

約数の個数: 16

約数和(自身を含む): 333121536

約数和(自身を除く): 52217857

約数列:

[1, 7, 31, 197, 217, 1379, 6107, 6571, 42749, 45997, 203701, 1294487, 1425907, 9061409, 40129097, 280903679]

約数ペア:

[(1, 280903679), (7, 40129097), (31, 9061409), (197, 1425907), (217, 1294487), (1379, 203701), (6107, 45997), (6571, 42749)]