128472463

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1019}}^1$

素因数の和:1147

約数の個数: 24

約数和(自身を含む): 156280320

約数和(自身を除く): 27807857

約数列:

[1, 7, 31, 49, 83, 217, 581, 1019, 1519, 2573, 4067, 7133, 18011, 31589, 49931, 84577, 126077, 221123, 592039, 1547861, 2621887, 4144273, 18353209, 128472463]

約数ペア:

[(1, 128472463), (7, 18353209), (31, 4144273), (49, 2621887), (83, 1547861), (217, 592039), (581, 221123), (1019, 126077), (1519, 84577), (2573, 49931), (4067, 31589), (7133, 18011)]