221457512

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{413167}}^1$

素因数の和:413240

約数の個数: 16

約数和(自身を含む): 421431360

約数和(自身を除く): 199973848

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 413167, 826334, 1652668, 3305336, 27682189, 55364378, 110728756, 221457512]

約数ペア:

[(1, 221457512), (2, 110728756), (4, 55364378), (8, 27682189), (67, 3305336), (134, 1652668), (268, 826334), (536, 413167)]