642431699

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{3373}}^1$

素因数の和:3436

約数の個数: 36

約数和(自身を含む): 844660656

約数和(自身を除く): 202228957

約数列:

[1, 7, 13, 23, 49, 91, 161, 169, 299, 637, 1127, 1183, 2093, 3373, 3887, 8281, 14651, 23611, 27209, 43849, 77579, 165277, 190463, 306943, 543053, 570037, 1008527, 2148601, 3801371, 3990259, 7059689, 13110851, 27931813, 49417823, 91775957, 642431699]

約数ペア:

[(1, 642431699), (7, 91775957), (13, 49417823), (23, 27931813), (49, 13110851), (91, 7059689), (161, 3990259), (169, 3801371), (299, 2148601), (637, 1008527), (1127, 570037), (1183, 543053), (2093, 306943), (3373, 190463), (3887, 165277), (8281, 77579), (14651, 43849), (23611, 27209)]