28250131

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16339}}^1$

素因数の和:16378

約数の個数: 16

約数和(自身を含む): 36601600

約数和(自身を除く): 8351469

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 16339, 114373, 212407, 310441, 1486849, 2173087, 4035733, 28250131]

約数ペア:

[(1, 28250131), (7, 4035733), (13, 2173087), (19, 1486849), (91, 310441), (133, 212407), (247, 114373), (1729, 16339)]