28447237

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16453}}^1$

素因数の和:16492

約数の個数: 16

約数和(自身を含む): 36856960

約数和(自身を除く): 8409723

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 16453, 115171, 213889, 312607, 1497223, 2188249, 4063891, 28447237]

約数ペア:

[(1, 28447237), (7, 4063891), (13, 2188249), (19, 1497223), (91, 312607), (133, 213889), (247, 115171), (1729, 16453)]