644394241

素因数分解:

${\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{277}}^1\times {\mathrm{743}}^1$

素因数の和:1152

約数の個数: 16

約数和(自身を含む): 675099648

約数和(自身を除く): 30705407

約数列:

[1, 31, 101, 277, 743, 3131, 8587, 23033, 27977, 75043, 205811, 867287, 2326333, 6380141, 20786911, 644394241]

約数ペア:

[(1, 644394241), (31, 20786911), (101, 6380141), (277, 2326333), (743, 867287), (3131, 205811), (8587, 75043), (23033, 27977)]