31851239

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3373}}^1$

素因数の和:3470

約数の個数: 16

約数和(自身を含む): 38868480

約数和(自身を除く): 7017241

約数列:

[1, 7, 19, 71, 133, 497, 1349, 3373, 9443, 23611, 64087, 239483, 448609, 1676381, 4550177, 31851239]

約数ペア:

[(1, 31851239), (7, 4550177), (19, 1676381), (71, 448609), (133, 239483), (497, 64087), (1349, 23611), (3373, 9443)]