257652016

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{435223}}^1$

素因数の和:435268

約数の個数: 20

約数和(自身を含む): 512693872

約数和(自身を除く): 255041856

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 435223, 870446, 1740892, 3481784, 6963568, 16103251, 32206502, 64413004, 128826008, 257652016]

約数ペア:

[(1, 257652016), (2, 128826008), (4, 64413004), (8, 32206502), (16, 16103251), (37, 6963568), (74, 3481784), (148, 1740892), (296, 870446), (592, 435223)]