664382823

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{2341}}^1$

素因数の和:2759

約数の個数: 32

約数和(自身を含む): 1007247360

約数和(自身を除く): 342864537

約数列:

[1, 3, 13, 19, 39, 57, 247, 383, 741, 1149, 2341, 4979, 7023, 7277, 14937, 21831, 30433, 44479, 91299, 94601, 133437, 283803, 578227, 896603, 1734681, 2689809, 11655839, 17035457, 34967517, 51106371, 221460941, 664382823]

約数ペア:

[(1, 664382823), (3, 221460941), (13, 51106371), (19, 34967517), (39, 17035457), (57, 11655839), (247, 2689809), (383, 1734681), (741, 896603), (1149, 578227), (2341, 283803), (4979, 133437), (7023, 94601), (7277, 91299), (14937, 44479), (21831, 30433)]