538447

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:178

約数の個数: 16

約数和(自身を含む): 680512

約数和(自身を除く): 142065

約数列:

[1, 7, 13, 61, 91, 97, 427, 679, 793, 1261, 5551, 5917, 8827, 41419, 76921, 538447]

約数ペア:

[(1, 538447), (7, 76921), (13, 41419), (61, 8827), (91, 5917), (97, 5551), (427, 1261), (679, 793)]