38721613

素因数分解:

$7^3\times {\mathrm{79}}^1\times {\mathrm{1429}}^1$

素因数の和:1529

約数の個数: 16

約数和(自身を含む): 45760000

約数和(自身を除く): 7038387

約数列:

[1, 7, 49, 79, 343, 553, 1429, 3871, 10003, 27097, 70021, 112891, 490147, 790237, 5531659, 38721613]

約数ペア:

[(1, 38721613), (7, 5531659), (49, 790237), (79, 490147), (343, 112891), (553, 70021), (1429, 27097), (3871, 10003)]