257484016

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{519121}}^1$

素因数の和:519160

約数の個数: 20

約数和(自身を含む): 514969024

約数和(自身を除く): 257485008

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 519121, 1038242, 2076484, 4152968, 8305936, 16092751, 32185502, 64371004, 128742008, 257484016]

約数ペア:

[(1, 257484016), (2, 128742008), (4, 64371004), (8, 32185502), (16, 16092751), (31, 8305936), (62, 4152968), (124, 2076484), (248, 1038242), (496, 519121)]