87291148

素因数分解:

$2^2\times 7^2\times {\mathrm{445363}}^1$

素因数の和:445381

約数の個数: 18

約数和(自身を含む): 177700236

約数和(自身を除く): 90409088

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 445363, 890726, 1781452, 3117541, 6235082, 12470164, 21822787, 43645574, 87291148]

約数ペア:

[(1, 87291148), (2, 43645574), (4, 21822787), (7, 12470164), (14, 6235082), (28, 3117541), (49, 1781452), (98, 890726), (196, 445363)]