289161904

素因数分解:

$2^4\times {\mathrm{997}}^1\times {\mathrm{18127}}^1$

素因数の和:19132

約数の個数: 20

約数和(自身を含む): 560844064

約数和(自身を除く): 271682160

約数列:

[1, 2, 4, 8, 16, 997, 1994, 3988, 7976, 15952, 18127, 36254, 72508, 145016, 290032, 18072619, 36145238, 72290476, 144580952, 289161904]

約数ペア:

[(1, 289161904), (2, 144580952), (4, 72290476), (8, 36145238), (16, 18072619), (997, 290032), (1994, 145016), (3988, 72508), (7976, 36254), (15952, 18127)]