71884790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{953}}^1$

素因数の和:1376

約数の個数: 32

約数和(自身を含む): 136689120

約数和(自身を除く): 64804330

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 397, 794, 953, 1906, 1985, 3970, 4765, 7543, 9530, 15086, 18107, 36214, 37715, 75430, 90535, 181070, 378341, 756682, 1891705, 3783410, 7188479, 14376958, 35942395, 71884790]

約数ペア:

[(1, 71884790), (2, 35942395), (5, 14376958), (10, 7188479), (19, 3783410), (38, 1891705), (95, 756682), (190, 378341), (397, 181070), (794, 90535), (953, 75430), (1906, 37715), (1985, 36214), (3970, 18107), (4765, 15086), (7543, 9530)]