247676884

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{680431}}^1$

素因数の和:680455

約数の個数: 24

約数和(自身を含む): 533458688

約数和(自身を除く): 285781804

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 680431, 1360862, 2721724, 4763017, 8845603, 9526034, 17691206, 19052068, 35382412, 61919221, 123838442, 247676884]

約数ペア:

[(1, 247676884), (2, 123838442), (4, 61919221), (7, 35382412), (13, 19052068), (14, 17691206), (26, 9526034), (28, 8845603), (52, 4763017), (91, 2721724), (182, 1360862), (364, 680431)]