2213811664127

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{16561}}^1\times {\mathrm{19309}}^1$

素因数の和:35943

約数の個数: 32

約数和(自身を含む): 2701773634560

約数和(自身を除く): 487961970433

約数列:

[1, 7, 23, 43, 161, 301, 989, 6923, 16561, 19309, 115927, 135163, 380903, 444107, 712123, 830287, 2666321, 3108749, 4984861, 5812009, 16378829, 19096601, 114651803, 133676207, 319776349, 2238434443, 7354856027, 13750383007, 51483992189, 96252681049, 316258809161, 2213811664127]

約数ペア:

[(1, 2213811664127), (7, 316258809161), (23, 96252681049), (43, 51483992189), (161, 13750383007), (301, 7354856027), (989, 2238434443), (6923, 319776349), (16561, 133676207), (19309, 114651803), (115927, 19096601), (135163, 16378829), (380903, 5812009), (444107, 4984861), (712123, 3108749), (830287, 2666321)]