15721081987

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{124633}}^1$

素因数の和:124990

約数の個数: 16

約数和(自身を含む): 17532514048

約数和(自身を除く): 1811432061

約数列:

[1, 13, 31, 313, 403, 4069, 9703, 124633, 126139, 1620229, 3863623, 39010129, 50227099, 507131677, 1209313999, 15721081987]

約数ペア:

[(1, 15721081987), (13, 1209313999), (31, 507131677), (313, 50227099), (403, 39010129), (4069, 3863623), (9703, 1620229), (124633, 126139)]