28713503

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16607}}^1$

素因数の和:16646

約数の個数: 16

約数和(自身を含む): 37201920

約数和(自身を除く): 8488417

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 16607, 116249, 215891, 315533, 1511237, 2208731, 4101929, 28713503]

約数ペア:

[(1, 28713503), (7, 4101929), (13, 2208731), (19, 1511237), (91, 315533), (133, 215891), (247, 116249), (1729, 16607)]