221880518

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{14561}}^1$

素因数の和:14983

約数の個数: 16

約数和(自身を含む): 351235440

約数和(自身を除く): 129354922

約数列:

[1, 2, 19, 38, 401, 802, 7619, 14561, 15238, 29122, 276659, 553318, 5838961, 11677922, 110940259, 221880518]

約数ペア:

[(1, 221880518), (2, 110940259), (19, 11677922), (38, 5838961), (401, 553318), (802, 276659), (7619, 29122), (14561, 15238)]