209840068

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{413071}}^1$

素因数の和:413202

約数の個数: 12

約数和(自身を含む): 370112512

約数和(自身を除く): 160272444

約数列:

[1, 2, 4, 127, 254, 508, 413071, 826142, 1652284, 52460017, 104920034, 209840068]

約数ペア:

[(1, 209840068), (2, 104920034), (4, 52460017), (127, 1652284), (254, 826142), (508, 413071)]