291270429134

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{631}}^1\times {\mathrm{639337}}^1$

素因数の和:640008

約数の個数: 24

約数和(自身を含む): 461842427088

約数和(自身を除く): 170571997954

約数列:

[1, 2, 19, 38, 361, 631, 722, 1262, 11989, 23978, 227791, 455582, 639337, 1278674, 12147403, 24294806, 230800657, 403421647, 461601314, 806843294, 7665011293, 15330022586, 145635214567, 291270429134]

約数ペア:

[(1, 291270429134), (2, 145635214567), (19, 15330022586), (38, 7665011293), (361, 806843294), (631, 461601314), (722, 403421647), (1262, 230800657), (11989, 24294806), (23978, 12147403), (227791, 1278674), (455582, 639337)]