2780008

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4513}}^1$

素因数の和:4537

約数の個数: 32

約数和(自身を含む): 6500160

約数和(自身を除く): 3720152

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 4513, 9026, 18052, 31591, 36104, 49643, 63182, 99286, 126364, 198572, 252728, 347501, 397144, 695002, 1390004, 2780008]

約数ペア:

[(1, 2780008), (2, 1390004), (4, 695002), (7, 397144), (8, 347501), (11, 252728), (14, 198572), (22, 126364), (28, 99286), (44, 63182), (56, 49643), (77, 36104), (88, 31591), (154, 18052), (308, 9026), (616, 4513)]