388011253

素因数分解:

$7^2\times {\mathrm{89}}^1\times {\mathrm{193}}^1\times {\mathrm{461}}^1$

素因数の和:757

約数の個数: 24

約数和(自身を含む): 459791640

約数和(自身を除く): 71780387

約数列:

[1, 7, 49, 89, 193, 461, 623, 1351, 3227, 4361, 9457, 17177, 22589, 41029, 88973, 120239, 287203, 622811, 841673, 2010421, 4359677, 7918597, 55430179, 388011253]

約数ペア:

[(1, 388011253), (7, 55430179), (49, 7918597), (89, 4359677), (193, 2010421), (461, 841673), (623, 622811), (1351, 287203), (3227, 120239), (4361, 88973), (9457, 41029), (17177, 22589)]