22221515

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{557}}^1$

素因数の和:742

約数の個数: 16

約数和(自身を含む): 27319680

約数和(自身を除く): 5098165

約数列:

[1, 5, 79, 101, 395, 505, 557, 2785, 7979, 39895, 44003, 56257, 220015, 281285, 4444303, 22221515]

約数ペア:

[(1, 22221515), (5, 4444303), (79, 281285), (101, 220015), (395, 56257), (505, 44003), (557, 39895), (2785, 7979)]