219972008

素因数分解:

$2^3\times {\mathrm{331}}^1\times {\mathrm{83071}}^1$

素因数の和:83408

約数の個数: 16

約数和(自身を含む): 413698560

約数和(自身を除く): 193726552

約数列:

[1, 2, 4, 8, 331, 662, 1324, 2648, 83071, 166142, 332284, 664568, 27496501, 54993002, 109986004, 219972008]

約数ペア:

[(1, 219972008), (2, 109986004), (4, 54993002), (8, 27496501), (331, 664568), (662, 332284), (1324, 166142), (2648, 83071)]