256803455

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1\times {\mathrm{2113}}^1$

素因数の和:2450

約数の個数: 16

約数和(自身を含む): 312533760

約数和(自身を除く): 55730305

約数列:

[1, 5, 109, 223, 545, 1115, 2113, 10565, 24307, 121535, 230317, 471199, 1151585, 2355995, 51360691, 256803455]

約数ペア:

[(1, 256803455), (5, 51360691), (109, 2355995), (223, 1151585), (545, 471199), (1115, 230317), (2113, 121535), (10565, 24307)]