172053505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^2$

素因数の和:433

約数の個数: 24

約数和(自身を含む): 225591912

約数和(自身を除く): 53538407

約数列:

[1, 5, 13, 65, 137, 139, 685, 695, 1781, 1807, 8905, 9035, 19043, 19321, 95215, 96605, 247559, 251173, 1237795, 1255865, 2646977, 13234885, 34410701, 172053505]

約数ペア:

[(1, 172053505), (5, 34410701), (13, 13234885), (65, 2646977), (137, 1255865), (139, 1237795), (685, 251173), (695, 247559), (1781, 96605), (1807, 95215), (8905, 19321), (9035, 19043)]