81143412

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{137999}}^1$

素因数の和:138020

約数の個数: 36

約数和(自身を含む): 220248000

約数和(自身を除く): 139104588

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 137999, 275998, 413997, 551996, 827994, 965993, 1655988, 1931986, 2897979, 3863972, 5795958, 6761951, 11591916, 13523902, 20285853, 27047804, 40571706, 81143412]

約数ペア:

[(1, 81143412), (2, 40571706), (3, 27047804), (4, 20285853), (6, 13523902), (7, 11591916), (12, 6761951), (14, 5795958), (21, 3863972), (28, 2897979), (42, 1931986), (49, 1655988), (84, 965993), (98, 827994), (147, 551996), (196, 413997), (294, 275998), (588, 137999)]