488396311

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1709}}^1$

素因数の和:1843

約数の個数: 24

約数和(自身を含む): 563274000

約数和(自身を除く): 74877689

約数列:

[1, 13, 19, 89, 169, 247, 1157, 1691, 1709, 3211, 15041, 21983, 22217, 32471, 152101, 285779, 288821, 422123, 1977313, 2889919, 5487599, 25705069, 37568947, 488396311]

約数ペア:

[(1, 488396311), (13, 37568947), (19, 25705069), (89, 5487599), (169, 2889919), (247, 1977313), (1157, 422123), (1691, 288821), (1709, 285779), (3211, 152101), (15041, 32471), (21983, 22217)]