219991252

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{136471}}^1$

素因数の和:136519

約数の個数: 24

約数和(自身を含む): 427976192

約数和(自身を除く): 207984940

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 136471, 272942, 545884, 1774123, 3548246, 4230601, 7096492, 8461202, 16922404, 54997813, 109995626, 219991252]

約数ペア:

[(1, 219991252), (2, 109995626), (4, 54997813), (13, 16922404), (26, 8461202), (31, 7096492), (52, 4230601), (62, 3548246), (124, 1774123), (403, 545884), (806, 272942), (1612, 136471)]