31890684

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{857}}^1$

素因数の和:1314

約数の個数: 48

約数和(自身を含む): 85333248

約数和(自身を除く): 53442564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 443, 857, 886, 1329, 1714, 1772, 2571, 2658, 3101, 3428, 5142, 5316, 5999, 6202, 9303, 10284, 11998, 12404, 17997, 18606, 23996, 35994, 37212, 71988, 379651, 759302, 1138953, 1518604, 2277906, 2657557, 4555812, 5315114, 7972671, 10630228, 15945342, 31890684]

約数ペア:

[(1, 31890684), (2, 15945342), (3, 10630228), (4, 7972671), (6, 5315114), (7, 4555812), (12, 2657557), (14, 2277906), (21, 1518604), (28, 1138953), (42, 759302), (84, 379651), (443, 71988), (857, 37212), (886, 35994), (1329, 23996), (1714, 18606), (1772, 17997), (2571, 12404), (2658, 11998), (3101, 10284), (3428, 9303), (5142, 6202), (5316, 5999)]