77442790

素因数分解:

$2^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{19507}}^1$

素因数の和:19911

約数の個数: 16

約数和(自身を含む): 139755312

約数和(自身を除く): 62312522

約数列:

[1, 2, 5, 10, 397, 794, 1985, 3970, 19507, 39014, 97535, 195070, 7744279, 15488558, 38721395, 77442790]

約数ペア:

[(1, 77442790), (2, 38721395), (5, 15488558), (10, 7744279), (397, 195070), (794, 97535), (1985, 39014), (3970, 19507)]