638407789

素因数分解:

${\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{593}}^1$

素因数の和:980

約数の個数: 16

約数和(自身を含む): 662048640

約数和(自身を除く): 23640851

約数列:

[1, 59, 71, 257, 593, 4189, 15163, 18247, 34987, 42103, 152401, 1076573, 2484077, 8991659, 10820471, 638407789]

約数ペア:

[(1, 638407789), (59, 10820471), (71, 8991659), (257, 2484077), (593, 1076573), (4189, 152401), (15163, 42103), (18247, 34987)]