257411248

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{303551}}^1$

素因数の和:303612

約数の個数: 20

約数和(自身を含む): 508146048

約数和(自身を除く): 250734800

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 303551, 607102, 1214204, 2428408, 4856816, 16088203, 32176406, 64352812, 128705624, 257411248]

約数ペア:

[(1, 257411248), (2, 128705624), (4, 64352812), (8, 32176406), (16, 16088203), (53, 4856816), (106, 2428408), (212, 1214204), (424, 607102), (848, 303551)]