72689264

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{105653}}^1$

素因数の和:105704

約数の個数: 20

約数和(自身を含む): 144112056

約数和(自身を除く): 71422792

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 105653, 211306, 422612, 845224, 1690448, 4543079, 9086158, 18172316, 36344632, 72689264]

約数ペア:

[(1, 72689264), (2, 36344632), (4, 18172316), (8, 9086158), (16, 4543079), (43, 1690448), (86, 845224), (172, 422612), (344, 211306), (688, 105653)]