173138545

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 225348480

約数和(自身を除く): 52209935

約数列:

[1, 5, 19, 53, 95, 137, 251, 265, 685, 1007, 1255, 2603, 4769, 5035, 7261, 13015, 13303, 23845, 34387, 36305, 66515, 137959, 171935, 252757, 653353, 689795, 1263785, 1822511, 3266765, 9112555, 34627709, 173138545]

約数ペア:

[(1, 173138545), (5, 34627709), (19, 9112555), (53, 3266765), (95, 1822511), (137, 1263785), (251, 689795), (265, 653353), (685, 252757), (1007, 171935), (1255, 137959), (2603, 66515), (4769, 36305), (5035, 34387), (7261, 23845), (13015, 13303)]