28879487

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16703}}^1$

素因数の和:16742

約数の個数: 16

約数和(自身を含む): 37416960

約数和(自身を除く): 8537473

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 16703, 116921, 217139, 317357, 1519973, 2221499, 4125641, 28879487]

約数ペア:

[(1, 28879487), (7, 4125641), (13, 2221499), (19, 1519973), (91, 317357), (133, 217139), (247, 116921), (1729, 16703)]