828821021

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1\times {\mathrm{331}}^1$

素因数の和:705

約数の個数: 32

約数和(自身を含む): 1018629120

約数和(自身を除く): 189808099

約数列:

[1, 7, 19, 67, 133, 281, 331, 469, 1273, 1967, 2317, 5339, 6289, 8911, 18827, 22177, 37373, 44023, 93011, 131789, 155239, 357713, 421363, 651077, 1767209, 2503991, 2949541, 6231737, 12370463, 43622159, 118403003, 828821021]

約数ペア:

[(1, 828821021), (7, 118403003), (19, 43622159), (67, 12370463), (133, 6231737), (281, 2949541), (331, 2503991), (469, 1767209), (1273, 651077), (1967, 421363), (2317, 357713), (5339, 155239), (6289, 131789), (8911, 93011), (18827, 44023), (22177, 37373)]