2218219471

素因数分解:

${\mathrm{13}}^2\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{643}}^1$

素因数の和:955

約数の個数: 24

約数和(自身を含む): 2439536400

約数和(自身を除く): 221316929

約数列:

[1, 13, 137, 149, 169, 643, 1781, 1937, 8359, 20413, 23153, 25181, 88091, 95807, 108667, 265369, 1145183, 1245491, 3449797, 13125559, 14887379, 16191383, 170632267, 2218219471]

約数ペア:

[(1, 2218219471), (13, 170632267), (137, 16191383), (149, 14887379), (169, 13125559), (643, 3449797), (1781, 1245491), (1937, 1145183), (8359, 265369), (20413, 108667), (23153, 95807), (25181, 88091)]