870820144

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{611531}}^1$

素因数の和:611628

約数の個数: 20

約数和(自身を含む): 1706174280

約数和(自身を除く): 835354136

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 611531, 1223062, 2446124, 4892248, 9784496, 54426259, 108852518, 217705036, 435410072, 870820144]

約数ペア:

[(1, 870820144), (2, 435410072), (4, 217705036), (8, 108852518), (16, 54426259), (89, 9784496), (178, 4892248), (356, 2446124), (712, 1223062), (1424, 611531)]