253939868

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{697637}}^1$

素因数の和:697661

約数の個数: 24

約数和(自身を含む): 546948192

約数和(自身を除く): 293008324

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 697637, 1395274, 2790548, 4883459, 9069281, 9766918, 18138562, 19533836, 36277124, 63484967, 126969934, 253939868]

約数ペア:

[(1, 253939868), (2, 126969934), (4, 63484967), (7, 36277124), (13, 19533836), (14, 18138562), (26, 9766918), (28, 9069281), (52, 4883459), (91, 2790548), (182, 1395274), (364, 697637)]