641394

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{2741}}^1$

素因数の和:2762

約数の個数: 24

約数和(自身を含む): 1497132

約数和(自身を除く): 855738

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 2741, 5482, 8223, 16446, 24669, 35633, 49338, 71266, 106899, 213798, 320697, 641394]

約数ペア:

[(1, 641394), (2, 320697), (3, 213798), (6, 106899), (9, 71266), (13, 49338), (18, 35633), (26, 24669), (39, 16446), (78, 8223), (117, 5482), (234, 2741)]