1039408

素因数分解:

$2^4\times {\mathrm{167}}^1\times {\mathrm{389}}^1$

素因数の和:564

約数の個数: 20

約数和(自身を含む): 2031120

約数和(自身を除く): 991712

約数列:

[1, 2, 4, 8, 16, 167, 334, 389, 668, 778, 1336, 1556, 2672, 3112, 6224, 64963, 129926, 259852, 519704, 1039408]

約数ペア:

[(1, 1039408), (2, 519704), (4, 259852), (8, 129926), (16, 64963), (167, 6224), (334, 3112), (389, 2672), (668, 1556), (778, 1336)]