247726384

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{218069}}^1$

素因数の和:218148

約数の個数: 20

約数和(自身を含む): 486732240

約数和(自身を除く): 239005856

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 218069, 436138, 872276, 1744552, 3489104, 15482899, 30965798, 61931596, 123863192, 247726384]

約数ペア:

[(1, 247726384), (2, 123863192), (4, 61931596), (8, 30965798), (16, 15482899), (71, 3489104), (142, 1744552), (284, 872276), (568, 436138), (1136, 218069)]