407720005049

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{419}}^1\times {\mathrm{421}}^1\times {\mathrm{5413}}^1$

素因数の和:6321

約数の個数: 32

約数和(自身を含む): 475950370560

約数和(自身を除く): 68230365511

約数列:

[1, 7, 61, 419, 421, 427, 2933, 2947, 5413, 25559, 25681, 37891, 176399, 178913, 179767, 330193, 1234793, 2268047, 2278873, 2311351, 10760339, 15876329, 15952111, 75322373, 138350867, 139011253, 954847787, 968456069, 973078771, 6683934509, 58245715007, 407720005049]

約数ペア:

[(1, 407720005049), (7, 58245715007), (61, 6683934509), (419, 973078771), (421, 968456069), (427, 954847787), (2933, 139011253), (2947, 138350867), (5413, 75322373), (25559, 15952111), (25681, 15876329), (37891, 10760339), (176399, 2311351), (178913, 2278873), (179767, 2268047), (330193, 1234793)]