142709456

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{469439}}^1$

素因数の和:469466

約数の個数: 20

約数和(自身を含む): 291052800

約数和(自身を除く): 148343344

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 469439, 938878, 1877756, 3755512, 7511024, 8919341, 17838682, 35677364, 71354728, 142709456]

約数ペア:

[(1, 142709456), (2, 71354728), (4, 35677364), (8, 17838682), (16, 8919341), (19, 7511024), (38, 3755512), (76, 1877756), (152, 938878), (304, 469439)]