207904319

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{3761}}^1$

素因数の和:3970

約数の個数: 16

約数和(自身を含む): 243777600

約数和(自身を除く): 35873281

約数列:

[1, 7, 53, 149, 371, 1043, 3761, 7897, 26327, 55279, 199333, 560389, 1395331, 3922723, 29700617, 207904319]

約数ペア:

[(1, 207904319), (7, 29700617), (53, 3922723), (149, 1395331), (371, 560389), (1043, 199333), (3761, 55279), (7897, 26327)]